10 JAPANESE MOLLU8K8, OPISTHOBRANCHIATA. 



BULLIDJE. 



Bulla (vernicosa var. ?) ovulum (Old.) Sowb. Man. Conch., xv, p. 349. 

 Boshiu ; Luchu Is. (Stearns). 



AKERID2E. 



Haminea angusta Gld. Man. Conch., xv, p. 361. 



Simoda (Stimp.). 

 Haminea strigosa A. Ad. Man. Conch., xv, p. 362. 



Tabu-Shima, 25 fms. (Ad.). 



Haminea grisea Smith. Man. Conch., xv, p. 362. 



Off Japan. Lat. 42 52' N. ; Long. 144 4(y E. ; 48 fath. ; sand 

 and mud (St. John). 



Haminea cymbalum Q. & 6. Lischke, J. M. C., p. 105. 



Nagasaki (Lischke). 

 Haminea constricta A. Ad. Man. Conch., xv, p. 370. 



Japan (Schrenck). 



HYDATINIDJE. 

 Hydatina physig Linn. Man. Conch., xv, p. 387, pi. 45, f. 14-17. 



Yedo (Lischke) ; Inland Sea (Stearns). 



Hydatina alhooinota Hoeven. Man. Conch., xv, p. 388, pi. 45, f. 29, 30. 



Nagasaki (Birileff). 

 Hydatina inflata Dunker. Index, p. 162, pi. 2, f. 14-16. 



Inland Sea at AVakayama. 



BINGICTJLIDJE. 

 Ringicula doliaris Gld. Man. Conch., xv, p. 403. 



Hakodate Bay (Stimp.). ; Kamakura (Stearns). 

 Ringicula arctata Gld. Man. Conch., xv, p. 403, pi. 47, f. 74, 75, 79. 



Nagasaki (Birileff); Tokyo Harbor (Stearns). 

 Eingiouia oelertiana Morlet. Journ. de Conchyl., 1880, p. 156, pi. 5, f. 4. 



Japan (St. John). 



APLYSIIDJE. 

 Aplysia marginata and marmorea A. Ad. Ann. Mag., 1861, p. 140. 



Port Hamilton (Ad.). Will probably occur in Japan. 

 Dolabella scapula Mart. Dkr., Index, p. 168. 



Wakayama (Dkr.). 



