Venus (Japanese Journal of Malacology)

Online ISSN : 2432-9967
Print ISSN : 0042-3580
ISSN-L : 0042-3580

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Volume 22, Issue 3

Displaying 1-16 of 16 articles from this issue

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Eight Minute Species of Shells from Amami Islands far south of Kyushu, Japan, including Six New Species

Tadashige HABE

Article type: Article
1963 Volume 22 Issue 3 Pages 229-237
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_229

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A New North Korean Land Snail, Trishoplita motonoi sp. nov.

Tadashige HABE

Article type: Article
1963 Volume 22 Issue 3 Pages 237-240
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_237

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On the Family Triphoridae (Gastropoda) from Amami Islands (4)

Sadao KOSUGE

Article type: Article
1963 Volume 22 Issue 3 Pages 240-257
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_240

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On the Family Triphoridae (Gastropoda) from Amami Islands (5)(Supplement)

Sadao KOSUGE

Article type: Article
1963 Volume 22 Issue 3 Pages 257-263
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_257

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Description of a New Species of the Family Triphoridae

Tokubei KURODA, Sadao KOSUGE

Article type: Article
1963 Volume 22 Issue 3 Pages 264-266
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_264

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On Suchium jyoganjiense n. sp. from the Middle Miocene Kurosedani Formation in Toyama Prefecture, Japan

Shoji FUJII

Article type: Article
1963 Volume 22 Issue 3 Pages 267-273
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_267

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On the Micro-canal Structures found in the Shell of Arca navicularis Bruguiere and Spondylus barbatus Reeve

Masae OMORI, Iwao KOBAYASHI

Article type: Article
1963 Volume 22 Issue 3 Pages 274-_280-2_
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_274

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The writers found micro-canal structures in some bivalvian shells like those of brachiopods, but finer than the latter. In the previous paper (Omori, Kobayashi and Shibata, 1962), they treated these structures in the shell of Glycymeris. In this short paper, they described the structural characters of them in the shell of Arca navicularis and Spondylus barbatus, and discussed the relation to other structural patterns composed of these two shells. They concluded that these micro-canal structures are essential joining to the shell formation, and assumed that in these canals some organic materials had been stored during their life.

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On the Relationship between Shell Growth and Crystal Arrangement of the Subnacreous Layer in Some Pelecypoda II

Koji WADA

Article type: Article
1963 Volume 22 Issue 3 Pages 281-289
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_281

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The orientation of the calcite crystals grown on the subnacreous layer of Ostrea gigas Thunberg and Anomia lischkei Dautzenberg et Fischer was observed with electron and optical microscopes, and was discussed in relation to the horizontal growth direction of the shells. In marginal regions, one of the rhombohedral axes of the calcite, agreeing with the direction of growth of mineral lamellae, was alike in the horizontal growth direction of the shell, and in the regions where growth pyramids occurred radiated spirally or directly outwards from its top. The orientation in a whole valve may be determined by the elongation and tension of the mantle, and affected by the disposition of adductor and pedal muscles. The author thanks to Drs. T. Sudow and Y. Omori of Tokyo University of Education, and Dr. I. Taki of Hiroshima University for their valuable advices.

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On the Peculiar Mode of the Spermatophore Transfer in Nerita albicilla L. (Prosobranchia, Neritidae)(A Prelliminary Note)

Shigemori IRIKI, Saburo NISHIWAKI, Tadayoshi TOCHIMOTO

Article type: Article
1963 Volume 22 Issue 3 Pages 290-292
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_290

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[title in Japanese]

[in Japanese]

Article type: Article
1963 Volume 22 Issue 3 Pages 293-295
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_293

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[title in Japanese]

[in Japanese]

Article type: Article
1963 Volume 22 Issue 3 Pages 295-297
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_295

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[title in Japanese]

[in Japanese]

Article type: Article
1963 Volume 22 Issue 3 Pages 297-298
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_297

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[title in Japanese]

[in Japanese]

Article type: Article
1963 Volume 22 Issue 3 Pages 298-
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_298

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[title in Japanese]

Article type: Appendix
1963 Volume 22 Issue 3 Pages 307-
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_307_1

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[title in Japanese]

[in Japanese]

Article type: Article
1963 Volume 22 Issue 3 Pages 309-
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_309_1

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[title in Japanese]

[in Japanese]

Article type: Article
1963 Volume 22 Issue 3 Pages 309-310
Published: July 10, 1963
Released on J-STAGE: January 31, 2018

DOIhttps://doi.org/10.18941/venusjjm.22.3_309_2

JOURNAL FREE ACCESS

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