Shigeki MAYAMA

Taxonomic revisions to the differentiating diatom groups for water quality evaluation and some comments for taxa with new designations.

Seiichi KOMURA

Further observations on valve attachment within diatom frustules and comments on several new taxa.

Seiichi KOMURA

Barrel-shaped diatoms from the Miocene Nabuto Formation, central Japan.

Hiroshi FUKUSHIMA, Kazuhiro FUKUDA, Tsuyako KO-BAYASHI and Sakiko YOSHITAKE

Morphological variablility of Navicula tenelloides Hustedt in a sample from the Fair River (USA). (in Japanese)

Akio NIGORIKAWA and Yasuo HASEGAWA

Changes in the environment and diatom thanatocoenoses from superficial oozes from the bottom of Matsukawaura Lagoon, Fukushima Prefecture, Northeast Japan. (in Japanese)

Tatsuya TOGASHI

Diatom flora of Sakhalin I. Salt marsh in Vladimirovo.

Michiaki SUMITA and Toshiharu WATANABE

DAIpo (diatom assemblage index to organic water pollution) of the springs in Noto Peninsula, Ishikawa Prefecture. (in Japanese)

Masakazu HAGA and Susumu SUZUKI

Fossil diatoms from the lower part of the Hayama Group in Miura Peninsula, Central Japan. (in Japanese)

Yuichi MORI

Fossil diatom assemblages from pre-historical and historical deposits and their paleoenvironmental applications. (in Japanese)

Kazuo HARAGUCHI

Diatoms from Lake Nojiri, Nagano Prefecture, Central Japan. (in Japanese)

<Note>

Hideo KUBOTA

Attached diatoms from Alewa Heights Spring in the south of Oahu Island, Hawaii. (in Japanese)

<Miscellanea>

Information of diatom home pages.

Book review.

Programs and abstracts of lectures at the society meetings.

Announcement.

Instructions to authors for the papers in Japanese and English.

Diatom, Vol.14, 127pp. 1998.

Seiichi KOMURA

A perplexing morphotype of some centric diatoms inclusive of Coscinodiscus lewisianus Grev. and its allies.

Atsushi KOBAYASHI, Jiro TANAKA and Tamotsu NAGUMO

Morphological and taxonomical study of Arachnoidiscus ornatus Ehrenb. (Bacillariophyceae) in Japan. (in Japanese)

Toshikazu GOTOH, Jung Ho LEE and Narumi TSUGEKI

Fine structure and ecology of a diatom Stephanodiscus vestibulis Hak., E. C. Ther. & Stoermer. (in Japanese)

Taisuke OHTSUKA

How many frustules should we count? II. To calculate diversity indices. (in Japanese)

Kazuo HARAGUCHI

Diatoms from Lake Yamanaka, Yamanashi Prefecture, Central Japan. (in Japanese)

Hiroshi FUKUSHIMA, Akio HOSAKA, Tsuyako Ko-Bayashi, Sakiko YOSHITAKE and Katsuhiko JO

Diatom vegetation of Neko Harbour (Antarctic Peninsula) and Cuverville Island. (in Japanese)

<Note>

Shigeki MAYAMA and Ayako KAWASHIMA

New combinations for some taxon of Navicula and Stauroneis, and an avowed substitute for a taxon of Eunotia.

Kazuo HARAGUCHI

Numerical estimation for organic pollution fo the Nishina Lakes group based on the diatom assemblage of the lake deposit. (in Japanese)

<Miscellanea>

Obituary: Sadamu YOKOI (1926-1997).

Programs and abstracts of lectures at the society meetings.

Announcement.

Membership directory.

Instructions to authors for the papers in Japanese.

Diatom, Vol.13, 289pp. 1997.

John P. KOCIOLEK

Historical constraints, species concepts and the search for a natural classification of diatoms.

Holst LANGE-BERTALOT

As a practical diatomist, how does one deal with the flood of new names?

David G. MANN

Shifting sands: the use of the lower taxonomic ranks in diatoms.

Linda K. MEDLIN

Can molecular techniques help define species limits?

Frank E. ROUND

Genera, species and varieties - are problems real or imagined?

Shigeki MAYAMA

Eunotia nymanniana Grunow and related taxa.

Hiroshi FUKUSHIMA, Tsuyako KO-BAYASHI and Sakiko YOSHITAKE

Morphological variability of Gomphonema christensenii R. L. Lowe & Kociolek from Kirishima Heights, southern Japan. (in Japanese)

Shigeo ITOH, Hiroshi FUKUSHIMA, Tsuyako KO-BAYASHI and Sakiko YOSHITAKE

Morphological variability of Fragilaria capucina var. gracilis (Oestrup) Hustedt sense Krammer & Lange-Bertalot. (in Japanese)

Seiichi KOMURA

Additional descriptions of the new diatoms from the Miocene Nabuto formation, Central Japan.

Taisuke OHTSUKA and Akihiro TUJI

How many frustules should we count? For floristic studies. (in Japanese)

Satoshi FUKUSHIMA and Hiroshi FUKUSHIMA

Effects of reduction of sewage effluent on periphytic diatom assemblage in a lotic system.

Eduardo A. LOBO

Approaches for evaluation of river water pollution using epilithic diatom assemblages.

Mai SAKABE and Tamotsu NAGUMO

Attached diatom flora in the springs of the Kakita River, Shizuoka Prefecture, Japan. (in Japanese)

Tatsuya TOGASHI and Terunobu ICHIMURA

Diatom flora in Kushiro mire, Hokkaido.

Keiko MIENO, Akihiro TUJI, Taisuke OHTSUKA, Kahori HYODO and Tadashi BANDO

Diatom flora of Kurozo-moor, Tokushima Prefecture. (in Japanese).

Michiaki SUMITA and Toshiharu WATANABE

The attached diatom assemblage index (DAIpo) in springs in Kanazawa City and its suburbs, in Ishikawa Prefecture. (in Japanese)

Akio NIGORIKAWA

Succession of marine epiphytic diatoms in winter at Nou Town, Niigata Prefecture, Central Japan. (in Japanese)

Kaoru KASHIMA, Shuichi HONDA and Hideyuki MORITA

Paleoenvironmental changes.of Lake Hamana, a semienclosed brackish lake at the central Japan, during the last 6000 years presumed by the diatom assemblages from core samples of lake deposits.

Hiroshi SATO, Masashi IHIRA, Isao MATSUDA and Shigeru KUMANO

Diatom assemblages and sedimentary environments during the mid- to late-Holocene at the Mokoto site along the Okhotsk Sea in Hokkaido, Japan.

Kozo KUDO

Diatom thanotocoenoses from bore-hole core samples of lagoon Hachiro-gata reclaimed land and deduced paleoenvironment in Akita Prefecture, northeast Japan. (in Japanese).

Kazuo HARAGUCHI

Diatoms from Lake Aoki, Nagano Prefecture, Central Japan. (in Japanese)

Seiji YAMAKAWA

Diatoms of the Lhasa River. (in Japanese)

Sheue-Duan LAI and Pei-Chung CHEN

An ecological study on attached diatoms in the rivers of mid-Taiwan.

<Notes>

Kazuo HARAGUCHI

Diatom flora of Oahu and Hawaii Islands in the Hawaii-Islands. (in Japanese)

Suematsu NAKAI

Diatom from Sugawa in Okinawa. (in Japanese)

<Miscellanea>

Programs and abstracts of lectures at the society meetings.

Announcement.

Diatom, Vol.12, 112pp. 1996.

Hiroyuki TANAKA and Hiromu KOBAYASI

A new species of Cyclotella, C. kohsakaensis sp. nov., from a Pliocene deposit, Central Japan.

Seiichi KOMURA

An attachment mode of opposite valves in some diatom frustules.

Noriko ISHIDA and Hiromu KOBAYASI

Three diatom species newly found in Japan and their occurrence in the Inbe-gawa (Inbe River), and Tama-gawa (Tama River), Central Japan. (in Japanese)

Hiroyuki TANAKA and Hiromu KOBAYASHI

The fine structure of Cyclotella rhomboideo-elliptica Skuja, from a Middle Pleistocene deposit, Gunma Prefecture, Central Japan.

Seiichi KOMURA

Some new diatoms from the Miocene Nabuto formation, Central Japan.

<Notes>

Yuichi MORI

Diatom thanatocoenoses obtained from the deposits of the gutters and moats encircling the Asahi and the Nishishiga Yayoi settlements of Aichi Prefecture (in Japanese).

<Miscellanea>

Obituary: Prof. Dr. Haruo OKUNO (1911-1995).

Obituary: Prof. Dr. Hiromu KOBAYASI (1926-1996).

Report of the 14th International Diatom Symposium.

Programs and abstracts of lectures at the society meeting.

Announcement.

Instructions to anthors for the papers in English and in Japanese.

Diatom, Vol.11, 114pp. 1995.

Ikuko SHIHIRA-ISHIKAWA and Takeaki OHSU

Distribution and mito chondria in centric diatom Pleurosira laevis (Ehrenberg) Compere.

Kazuya YOSHIZAWA and Fumio NAKAMURA

Extracellular products of Synedra acus Kutzing. (in Japanese)

Akihiro TUJI

Attached diatom assemblages in the ecotone of Lake Biwa. (in Japanese)

Shigeki MAYAMA and Daisuke FUJITA

Two types of areola occlusion in the valve of Amphitetras antediluviana Ehrenberg. (in Japanese)

Masamichi SHIONO and Richard W. JORDAN

Recent diatoms of Lake Hibara, Fukushima Prefecture.

Michiaki SUMITA and Toshiharu WATANABE

Attached diatom assem- blages in springs in the alluvial fan of the River Kurobe, Toyama Prefecture. (in Japanese)

Hideaki TAKANO

Thalassiosira tealata Takano, common in summer at the coastal Pacific waters in Japan. (in Japanese)

<Notes>

Suematsu NAKAI

Diatoms from Shinja-ike (Lake Shinja) in Tomoga Island of Wakayama Prefecture. (in Japanese)

Shigeru SUZUKI and Shigeaki MAYAMA

Auxospore of Pinnularia sp. which has long been identified as Pinnularia braunii var. amphicephala (Mayer) Hustedt in Japan and the size reduction of the vegetative valve.

Masakazu HAGA, Tukiko HIRATA and Hiromu KOBAYASHI

Fossil diatoms from the finegrained tuffaceous sediment in Hakone Volcano. (in Japanese).

Akihiro TUJI

Diatoms in alkaline Osousi Spa., Hokkaido. (in Japanese).

Shigeru SUZUKI

Auxospore formation of Cymbella tumida (Brebisson) Van Heurck.

Nagisa MAYAMA and Shigeki MAYAMA

The substitution of a "Denter-Systema" toothbrush fiber for an eyelash in micromanipulation. (in Japanese)

Akihiro TUJI

Diatom flora of Urauchi River, Okinawa, Iriomote Island. (in Japanese)

<Miscellanea>

Programs and abstracts of lectures at the society meetings.

Announcement.

Instructions to authors for the papers in English and in Japanese.

Diatom, Vol.10, 122pp. 1995.

Toshiharu WATANABE and Kazumi ASAI

Diatom assemblage occurred as an environmental frontier community in a spa (pH 10.1) which is the most alkaline hot spring in Japan. (in Japanese)

Toshiharu WATANABE and Kazumi ASAI

Pinnularia acoricola Hustedt var. acoricola as an environmental frontier species occurred in inorganic acid waters with 1.1-2.0 in pH value. (in Japanese)

Kazumi ASAI

Statistic classification of epilithic diatom species into three ecological groups relating to organic water pollution (1). Method with coexistence index.

Kazumi ASAI and Toshiharu WATANABE

Statistic classification of epilithic diatom species into three ecological groups relating to organic water pollution (2). Saprophilous and saproxenous taxa.

Aishah SALLEH and Nooraini Abdul RAHIM

Diatoms of the Rivers Pergau, Renyok, Ayer Lanas, Lata Rek and Jeram Lenang, Kelantan, Malaysia.

Seiichi KOMURA

A naviculoid raphe-system of some lanceolate diatoms compricated with accessory components.

Hideaki TAKANO

Pseudo-nitzschia multistriata (Takano) Takano, a new combination for the pennate diatom Nitzschia multistriata Takano. (in Japanese)

Hirouki TANAKA and Hiromu KOBAYASI

Diatoms from the Onogami Formation, an early Pleistocene lacustrine deposit, central Japan. (in Japanese)

<Notes>

Tamotsu NAGUMO

Simple and safe cleaning methods for diatom samples. (in Japanese)

Hiromu KOBAYASI

Size reduction of Amphora veneta Kutzing in a small fish tank. (in Japanese)

Ayako KAWASHIMA and Hiromu KOBAYASI

Size reduction of Mar tyana martyi (Herib.) Round in Akan-ko (Akan Lake). (in Japanese)

Seiji KITAZAWA

Diatoms from inorganic acid streams, Kogane-zawa (Kogane Stream) and Ishido-zawa (Ishido Stream), Nagano Prefecture. (in Japanese)

Shigeki MAYAMA

Size reduction of Eunotia arcus Ehr. var. arcus from Suge-numa (Suge Lake). (in Japanese)

Shigeki MAYAMA

Size reduction of Eunotia tropica Hust. in a culture. (in Japanese)

<Miscellanea>

Obituary: Kohei TSUMURA (1913-1994).

Abstract of lectures at the society meeting.

Reports from the general affairs.

Diatom, Vol.9, 114pp. 1994.

Seiichi KOMURA

Observations on the diatom Mediaria Sheshukova-Poretzkaja and new forms of similar appearance with comments on a new type of raphe system.

Jong Ho LEE, Jun CHUNG and Toshikazu GOTOH

Diatoms of the Kwang River (Kwangchun), South Korea -I. Centrales, Pennales except Naviculaceae.

Jong Ho LEE, Jun CHUNG and Toshikazu GOTOH

Diatoms of the Kwang River (Kwangchun), South Korea -II. Family Naviculaceae.

Seiji YAMAKAWA

Diatoms in the Kase River (Kasegawa) estuary. (in Japanese)

Aishah SALLEH and Nooraini Abdul RAHIM

Diatoms of the River Kanching, Templer Park, Malaysia.

Hideaki TAKANO

Fragilaria striatula Lyngbye collected at the Straits of Tsugaru, northern Japan.

<Miscellanea>

Obituary: Kazuo ANDO (1936-1993).

Obituary: Masaro KOSUGI (1960-1993).

Abstract of lectures at the society meeting.

Reports from the general affairs.

Diatom, Vol.8, 134pp. 1993.

Kazuhiro KATOH

Deletion of less-abundant species from ecological data.

Tetuo MURAKAMI and Masahiro KASUYA

Teratological variations of Gomphonema parvulum Kutzmg in a heavily polluted drainage channel.

Seiichi KOMURA

Oshitea, a new genus of naviculoid diatoms bearing a double-walled girdle.

Michiaki SUMITA

A study on the organic water pollution of rivers in the Hokuriku District based on the analysis of species components of epilithic diatom assemblages (LI) . Species components of epilithic diatom assemblage and Shannon's diversity index. (in Japanese)

Yasumasa ICHINOSE

A red tide of Skeletonema menzelii occurred in Hirakata Bay. (in Japanese)

Hideaki TAKANO

Marine diatom Nitzschia multistriata sp. nov., common at inlets of southern Japan.

Yukio YANAGISAWA

Thalassiosira mizunamiensis Yanagisawa sp. nov., a new fossil Thalassiosira species from the early Middle Miocene Oidawara Formation in Mizunami area, central Japan.

Yukio YANAGISAWA

Middle Miocene fossil diatom assemblages from carbonate concretions in the Nanatani Formation and a formation equivalent to the Teradomari Formation in the Neogene Niigata sedimentary basin of Japan. (in Japanese)

Hideo KUBOTA

Fossil diatom assemblege of the Katakura Pass diatomite in Mochizuki Town, Nagano Prefecture. (in Japanese)

Yasuo HASEGAWA

Diatom thanatocoenoses from Pisidium nipponense Kuroda - Diatoms from the Sphagnum bog at the Mt. Ogenashi of the Nishikubiki mountain mass located in the south-western part of Niigata Prefecture, central Japan (2). (in Japanese)

Yasuo HASEGAWA and Akio NIGORIKAWA

Diatom assemblage from the Lake Kamo in the Sado Island of Niigata Prefecture, central Japan. (in Japanese)

<Miscellanea>

Abstract of lectures at the society meeting.

Reports from the general affairs.

Diatom, Vol.7, 98pp. 1992.

Kazuhiro KATOH

Multivariate analysis in the ecology of diatom assemblages. (in Japanese)

Hideaki ACHIHA

The growth of Licmophora sp. in the filtrate from Porphyra tenera culture. (in Japanese)

Toshiharu WATANABE and Kazumi ASAI

Simulation of organic water pollution using highiy prevailing diatom taxa (1). Diatom assemblage in which the leading taxon belongs to Achnanthes, Anomoeoneis, Aulacoseira or Melosira. (in Japanese)

Toshiharu WATANABE and Kazumi ASAI

Simulation of organic water pollution using highiy prevailing diatom taxa (2). Diatom assemblage in which the leading taxon belongs to Caloneis, Cocconeis, Cyclotella, Cymbella, Diatoma, Eunotia, Fragilaria, Gomphoneis or Gomphonema. (in Japanese)

Toshiharu WATANABE and Kazumi ASAI

Simulation of organic water pollution using highiy prevailing diatom taxa (3). Diatom assemblage in which the leading taxon belongs to Navicula. (in Japanese)

Toshiharu WATANABE and Kazumi ASAI

Simulation of organic water pollution using highiy prevailing diatom taxa (4). Diatom assemblage in which the leading taxon belongs to Nitzschia, Pinnularia, Surirella or Synedra. (in Japanese)

Jung Ho LEE, Toshikazu GOTO and Jun CHUNG

Diatoms of Yungchun Dam Reservoir and its tributaries, Kyung Pook Prefecture, Korea.

Hideaki TAKANO

Climaconeis inflexa (Breb. ex Kutz.) Cox collected from Sagami Bay, Japan.

Seiichi KOMURA

Fine structure of Imparvalvia, a new genus of araphid diatoms.

<Miscellanea>

Reports from the general affairs.

Abstract of lectures at the society meeting.

Diatom, Vol.6, 68pp. 1991.

Toshie HIZUKA and Toshiko NAKAMURA

Numerical estimation for organic pollution of the Ina River based on the attached diatom assemblage of the river bed. (in Japanese)

Kazuhiro KATOH

A comparative study on some pollution indices using diatoms.

Hideaki TAKANO

Foliaceous marginal processes standing nearby poles of the valve of Dimeregramma minus (Gregory) Ralfs.

Yoshinaga ITO and Seiji HORIUCHI

Distribution of living terrestrial diatoms and its application to the paleoenvironmental analyses. (in Japanese)

Kohei TSUMURA

The collection of diatom slides preserved in the National Science Museum of Japan. (in Japanese)

<Miscellanea>

Abstracts of lectures at the society meetings.

Reports from the general affairs.

Introduction to authors.

Diatom, Vol.5, 135pp. 1990.

Hideaki TAKANO

Semiconical Covers in Valves of Navicula teneroides Hustedt.

Toshiharu WATANABE, Kazumi ASAI, Akiko HOUKI and Michiaki SUMITA

Numerical simulation of organic pollution based on the attached diatom assemblage in Lake Biwa (1).

Toshiharu WATANABE

Attached diatoms in Lake Mashuu and its value of the diatom assemblage index of organic water pollution (DAIpo).

Eduardo A. LOBO, Seiji KITAZAWA, Hiromu KOBAYASI

The use of scanning electron microscopy as a necessary complement of light microscopy diatom examination for ecological studies.

Tamotsu NAGUMO and Hiromu KOBAYASI

The Bleaching Method for gently loosening and cleaning a single diatom frustule.

Kaoru KASHIMA

Diatom Assemblages in the Surface Sediments of Lake Shiji and Lake Nakaumi, Shimane Prefecture, Japan.

Kahoru OGAWA

Thalassiosiraceae Collected from Lake Teganuma, the Most Hypertrophic Lake in Japan. (in Japanese)

Makoto MIZUNO and Shoichi SAITO

Planktonic Diatoms from Lake Oike of Lake Tsugaru-Juniko Group, Aomori Prefecture. (in Japanese)

Michiaki SUMITA

A Study on the Organic Water Pollution of Rivers in Hokuriku District Based on the Analysis of Species Components of Epilithic Diatom Assemblages (1). (in Japanese)

Toshikazu GOTOH

Technical note for microphotographs of diatom. (in Japanese)

<Miscellanea>

Reports from the general affairs.

Diatom, Vol.4, 104pp. 1988.

Hiroshi FUKUSHIMA, Tsuyako KO-BAYASHI, Harue OHTSUKA and Sakiko YOSHITAKE

Morphological Variability of Cymbella microcephala (Kutz.) Grunow in the Pyrenees.

Hiroshi FUKUSHIMA and Miriam Borges Xavier

Attached Diatom from the Negro River, Amazonas, Brazil.

Hideaki TAKANO

A Bloom of Neosynedra provincialis in a Maricultural Tank.

Toshiharu WATANABE and Akiko HOUKI

Attached Diatoms in Lake Biwa.

Toshiharu WATANABE, Kazumi ASAI and Akiko HOUKI

Biological Information Closely Related to the Numerical Index DAIpo (Diatom Assemblage Index to Organic Water Pollution).

Kaoru KASHIMA, Kumiko NEMOTO and Setuko KOBAYASHI

The Holocene Successive Change of Diatom Assemblages of Drilling Core Samples in Lake Tega, Kanto Plain, Japan.

Toshikazu GOTOH

Analysis of Diatom Community by the Cell Nucleus Staining Method. (in Japanese)

Ken-ichiro NEGORO, Minoru GOTO, and Hitomi NARUMIYA

Diatom Vegetation of the River Seri, which is rich in Lime, Shiga, Japan. (in Japanese)

Kazuhiro KATO

Biological Indices Based on Epilithic Diatom. (in Japanese)

Masato KOSUGI

Method for Paleoenvironmental Reconstructions Based on the Similarities between Present Communities and Fossil Assemblages of Diatom. (in Japanese)

<Miscellanea>

Reports from the general affairs.

Diatom, Vol.3, 134pp. 1987.

Ken-ichiro NEGORO

Contributions to the Diatomology of Japan. (Bibliography).

Hiromu KOBAYASI, Masahiko IDEI, Shinji KOBORI and Hiroyuki TANAKA

Observations on the two rheophilic species of the genus Synedra (Bacillariophyceae): S. inaequalis H. Kob. and S. lanceolata Kutz.

Hideaki TAKANO

Belt-shaped Chains of Nitzschia levidensis (W.Sm.) V.H.

Masato KOSUGI

Limiting Factors on the Distribution of Benthic Diatoms in Coastal Regions. -Salinity and Substratum-

Toshiharu WATANABE and Rustum USMAN

Epilithic freshwater diatoms in Central Sumatra.

Hiroshi FUKUSHIMA, Tsuyako KO-BAYASHI, Harue OHTSUKA, Sakiko YOSHITAKE and Kimiko TERAO

Morphological Variability of Cymbella microcephala Grunow.

Toshikazu GOTOH

Mastogloia exigua LEWIS: comparison of samples collected at three localities. (in Japanese)

Goro KOIDE

Diatom community attached to the rock of stone chamber of Ishibutai ancient tomb in Asuka Town, Nara Prefecture, Japan. (in Japanese)

Suematsu NAKAI

Diatoms from Springs in Okinawa. (in Japanese)

<Miscellanea>

Reports from the general affairs.

Diatom, Vol.2, 197pp. 1986.

Ken-ichiro NEGORO and Masako HIGASHINO

Diatom vegetation of paddy fields in Japan. Report I. Diatom vegetation of paddy fields in the vicinity of Sakurai City, Nara Prefecture.

Michiaki SUMITA

A numerical water quality assessment of rivers in Hokuriku district using epilithic diatom assembage in river bed as biological indicator (II) The values of RPLD in surveyed rivers.

Ken-ichiro NEGORO

Melosira hustedti Krasske from Lake Biwa, as one of the subfossil diatoms in the bottom deposits.

Toshiharu WATANABE, Kazumi ASAT, Akiko HOUKI, Shihoko TANAKA and Toshie HIZUKA

Saprophilous and eurysaprobic diatom taxa to organic water pollution and diatom assemblage index (DAIpo ).

Hiroshi FUKUSHIMA, Tsuyako KO-BAYASHI, Kimiko TERAO and Sakiko YOSHITAKE

Morphological variability of Navicula radiosa Kutz. f. nipponica Skv, and var. tenella ( Breb.) GRUN. (Navicula cryptotenella Lange-Bertalot).

Hiromu KOBAYASI, Tamotsu NAGUMO and Shigeki MAYAMA

Observations on the two rheophilic species of the genus Achnanthes (Bacillariophyceae), A. convergens H. Kob. and A. japonica H. Kob.

Hiromu KOBAYASI and Shigeki MAYAMA

Navicula pseudacceptata sp. nov. and validation of Stauroneis japonica H. Kob.

Toshikazu GOTOH

Diatom community of the Kumano-gawa River estuary. (in Japanese )

Toshiharu WATANABE, Shihoko TANAKA and Toshie HIZUKA

Water quality chart of the River Kinokawa -Using diatom assemblage index to organic water pollution (DAIpo) based on attached diatom assemblage on river bed- (in Japanese )

Toshiharu WATANABE, Toshie HIZUKA and Shihoko TANAKA

Water quality chart of the River Yamato-gawa -Using diatom assemblage index to organic water pollution (DALpo) based on attached diatom assemblage on river bed- (in Japanese)

Akiko HOUKI

Seasonal changes of epilithic diatom assemblage and water quality chart based on DAIpo (Diatom assemblage index to organic water pollution) of the River Ina-gawa, Hyogo and Osaka Prefecture. (in Japanese )

Toshiharu WATANABE and Misako KANECHIKA

Application of DAIpo (Diatom assemblage index to organic water pollution) to lentic environment to the Muroo Reservoir in Nara Prefecture- (in Japanese )

Hiroshi FUKUSHIMA, Tsuyako KO-BAYASHI and Kimiko TERAO

Correlation between water temperature and saprobic index of attached algae in river. (in Japanese )

Masato KOSUGI

Some fundamental problems on paleoecology of diatoms. (in Japanese )

Hideo KUBOTA

Fossil diatom assemblage from Ohkui diatomite in Komoro City, Nagano Prefecture. (in Japanese)

Ken-ichiro NEGORO

Dr. Friedrich Hustedt, Famous excellent diatomologist. His life and work. (in Japanese)

<Miscellanea>

Reports from the general affairs.

Diatom, Vol.1, 41pp. 1985.

Ken-ichiro NEGORO

Diatom flora of the mineralogenous acidotrophic inland waters of Japan.

Toshikazu GOTOH

Girdle structure of diatom Denticula tenuis Kutz. var. crassula (NAEG. ex KUTZ.) W. & G. S. WEST.

Hideaki TAKANO and Kyoko KIKUCHI

Anomalous cells of Nitzschia pungens GRUNOW found in eutrophic marine waters.

Toshiharu WATANABE

Tolerant diatoms to inorganic acid and alkaline lakes and some evolutionary considerations.

Hiroshi FUKUSHIMA, Kimiko TERAO and Tsuyako KO-BAYASHI

Morphological valiability of Navicula bryophila Boye-Petersen. (in Japanese )