Volume 4, Numbers 1/2
CONTENTS　　目次
Original Articles　　　原著
	Shigeo HORI & Hiroshi FUKUDA: Opisthobranchia of Yamaguchi Prefecture, western Honshu, JapanﾑPart 1. Species of the Notaspidea, Nudibranchia, endronotacea, Arminacea, and Aeolidacea from the coast of the Japan Sea (1) 堀　成夫・福田　宏：山口県産後鰓類1．日本海沿岸産背楯目・裸鰓目・スギノハウミウシ目・タテジマウミウシ目およびミノウミウシ目（1）
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	Yasunori KANO: A revision of the species previously known as Hawaiia minuscula in Japan and the discovery of the Helicodiscidae, the family new to Japan 狩野泰則：日本産“ヒメコハクガイ”の再検討と本邦初記録のイシノシタ科（新称）
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	山下博由：Terebra pumilio (E. A. Smith, 1873) スクナビコナトクサガイ（新称）の再発見（新腹足目：タケノコガイ科） Hiroyoshi YAMASHITA: Rediscovery of Terebra pumilio (E. A. Smith, 1873) from the Inland Sea of Japan (Neogastropoda: Terebridae)
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	Ken-Ichi HOSAKA & Hiroshi FUKUDA: Discovery of a population of an endangered brackish-water snail Stenothyra japonica (Gastropoda: Neotaenioglossa: Stenothyridae) and characteristics of the accompanied molluscan fauna in Onoda City, Yamaguchi Prefecture, western Japan, with a comment on the conservation value 保阪健市・福田　宏：絶滅危惧種ミズゴマツボ（腹足綱：新紐舌目：ミズゴマツボ科）の山口県小野田市産個体群と周辺の貝類相の特徴、およびその保護の必要性
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	Taeko KIMURA: Shell morphology and anatomy of Xenostrobus atratus(Lischke, 1871) (Bivalvia: Mytilidae) 木村妙子：クログチガイ（二枚貝綱：イガイ科）の殻および内部形態
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	木村昭一：クリンイトカケとコガタクリンイトカケの分類学的再検討（腹足綱：新紐舌目：イトカケガイ科） Shoichi KIMURA: A taxonomic revision of Amaea thielei and "Amaea" ogaitoi (Gastropoda: Neotaenioglossa: Epitoniidae)
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	Hiroshi FUKUDA & Teruhisa MITOKI: A revision of the family Assimineidae (Mollusca: Gastropoda: Neotaenioglossa) stored in the Yamaguchi Museum. Part 3: Subfamily Assimineinae (2) Angustassiminea and Pseudomphala 福田　宏・三時輝久：山口県立山口博物館所蔵のカワザンショウ科（軟体動物門：腹足綱：新紐舌目）の再検討3．カワザンショウ亜科（2）クリイロカワザンショウ属とヒイロカワザンショウ属
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	堀　成夫：萩市郷土博物館所蔵の山口県北部地方産トウガタガイ科貝類（軟体動物門：腹足綱：異旋目）の再検討 Shigeo HORI: A revision of the family Pyramidellidae (Mollusca: Gastropoda: Heterostropha) from the northern district of Yamaguchi Prefecture deposited in the Hagi City Museum
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	狩野泰則：山口市産キイロナメクジ（腹足綱：柄眼目：コウラナメクジ科）の解剖 Yasunori KANO: The anatomy of an introduced slug Limax (Limacus) flavus Linnaeus (Gastropoda: Stylommatophora: Limacidae) from Yamaguchi City, western Japan
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	山下博由・福田　宏：サナギガイの殻形態と分布（腹足綱：柄眼目：サナギガイ科） Hiroyoshi YAMASHITA & Hiroshi FUKUDA: On the shell morphology and distribution of Pupilla (Gibbulinopsis) cryptodon (Gastropoda: Stylommatophora: Pupillidae)
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	河上　勲・伊藤靖子：山口県萩市越ヶ浜漁協所属フグ延縄漁船・興秋丸によって黄海・東シナ海などから得られた貝類 Isao KAWAKAMI & Yasuko ITO: Some mollusks brought from the Yellow Sea, East China Sea and neighboring areas to Port Hagi, Yamaguchi Prefecture, western Japan by the Koshu-Maru
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	増野和幸：山口の貝人伝（4）岡藤五郎（1924-1978） Kazuyuki MASHINO: Biography of malacologists in Yamaguchi Prefecture, western Japan (4). Goroh OKAFUJI (1924-1978)
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Brief Communication　　短報
	伊藤靖子：山口県萩市倉江ノ浜におけるイボシマイモ（新腹足目：イモガイ科）の採集記録　 Yasuko ITO: Notes on the record of Conus (Virgiconus) lividus Hwass, 1792 (Neogastropoda: Conidae) in Kuraeno-hama, Hagi City, Yamaguchi Prefecture, western Japan
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	保阪健市：山口県宇部市で1996年に採集された移入非海産腹足類3種 Ken-Ichi HOSAKA: Notes on the intrusion of three non-marine gastropods into Ube City, Yamaguchi Prefecture, western Japan, found in 1996
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Book Review 　抄録
	保阪健市・福田　宏：　加藤　真・伊谷　行, 1995: 二枚貝マゴコロガイのアナジャコとの片利共生　Ken-Ichi HOSAKA & Hiroshi FUKUDA: Kato, M. & Itani, G., 1995: Commensalism of a bivalve, Peregrinamor ohshimai, with a thalassinidean burrowing shrimp, Upogebia major. J. Mar. Biol. Ass. U. K., 75: 941-947
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