Fossils t'roui the Upper Musashino of Kazusa and Shimosa. 1 gl 



This well known Altantic shell not mentioned in any work 

 relating to the recent conchology of Japan hitherto pubhshed is 

 frequentl}^ met ^vith living in the seas near Sagami (Central Japan). 

 The fossil specimens are also common in the Upper Musashino as 

 already pointed out by Brauns and Tokunaga. 



Fossil occurrence in Japan. — Otake (common), Tega, Shisui, 

 Shito. Oji, Tabata and Shinagawa. Lower Musashino of Miyata, 

 Yokosuka and Naganuma. 



Fossil occurrence in Europe. — Pliocene and Glacial of Eng- 

 land. Pliocene of Belgium and Italy. Miocene of Austria, Poland, 

 Switzerland, Russia, etc. 



Living. — Central Japan. Atlantic from 'Iceland to the Medi- 

 terranean Sea. 



357. JLiecinn contraria, Dunker. 



Lvcina contraria. Dunker, Ind. Moll., p. 215, pi. XIII, figs. 12, 13, 14. Yokoyama, 



Foss. Miura Peniu., p. 134, i^l. X, fig. 8. 

 Lasiea striata. Tokunaga, Foss. Env. Tokyo, p. 53, pi. Ill, fig. 14. 



What Brauns described as Lasœa rubra Mont, in his "Geology 

 of the Environs of Tokio " p. 43, without giving any figure, seems 

 to be this species. 



Fossil occurrence. — Otake (common), Kioroshi, Kamenari, 

 Tega (frequent). Oji and Shinagawa in Musashi. Lower Musashi- 

 no of Miyata. 



Living. — Central Japan. 



Family Chamidae. 



Genus CHAIfIA, Linné. 



358. Chama setnipurpurata, Lischke. 



PI. XIII. Fig. 5. 



Chama semi pur pur ata. Lischke, Jap. Meeresconch., II, p. 180, pi. VIII, fig. 1. 

 Pilsbry, Catalogue, p. 134. Yokoyama, Fobs. Miura Penin., p. 136, pi. X, figs. 

 13, 14. 



A single upper and a single lower valve of two young indivi- 

 duals. 



