36 ART. 2. S. ÏOKUNAGA. 



Synonym. — S. gracilis Gld. 



Öji (rare). 



Living : Euoshima (Öagami), Misaki (Sagami), Hakodate, 

 ïae, Nagasaki and China Sea. 



93. SOLEN KBUSENSTERNIT Schrenck. 



PL II. Fig. 19. 



Schrenck, ]\[o11. Amurl. and Nord-Jap. Meeres., p. 594. — Brauns, 

 Geol. Env. Tokio, p. 36. 



Oji (abundant), Tabata and Shinagawa (frequent). 

 Living : Hakodate, Kuriles, East Coast of Sakhalin and 

 Akashi Bay. 



94. MA( HA DIVARKATA Lke. 



n. II. Figs. 20 a and b. 



Lisch KP:, Jap. Meeres-Conch., I., }>. 142. — Pilsbry, Cat. Mar. Moll. 

 Japan, p. 121.— 8yst. Conch. Cab., XL 3, p. 87. 



Shinagawa (frequent). 



Living : Euoshima (Saganii), Misaki (Sagami), Hakodate, 

 AVakanoura (Kii), Nagasaki, and Setouchi (Inland Sea). 



SAXICAVID/E. 



95. SAXICAVA ARCJ KA Desh. 



PI. II. Figs. 21 a and b. 



AVooi), Crag. Moll., IL, p. 287. — Desiiayes, Traité élém. Conch., p. 

 480. — AVeinkauff, Conch. Mittelmeeres, II. — Ann. INTag. Nat. Hist., 

 IV. 20, (1877), p. 131.— Trans. Koyal 8oc. South Australia.— 

 Verli. Kuss.-kais. Miu. (josell. zu St. Peterslnirg, II series, XXX- 

 VIII Baud, 1, r.tOO.— Cliall. Report, Vol. XIIL, p. 78.— Tryon, 

 ►Stiitc. and Syst. Couch., II., p. 135. — Koebelt, Conchylion-l)ueh, 



