66 JAPANESE MOLLUSKS, RISSOID^. 



Diala tenuis E. A. Smith. Ann. Mag., 1875, Vol. XVI, p. 105. 



N. Japan, on a littoral species of Sargassum. ]\Iany specimens 

 collected by Stearns have egg-capsules (?) on the shell, probably 

 such as Smith mentions. The shells are larger than Smith's, length 

 6 ram. 

 Diala simplex E. A. Smith. Ann. Mag., 1S75, Vol. XVI, p. 105. 



Lat. 41° 12' N., Long. 140° 45' E., 43 fath. (St. John). 



RISSOID^. 

 Rissoa (Goniostoma) pupaeformis A. Ad. Ann. Mag., V, 1800. p. 411. 



Mino Shima, 63 fms. (A. Ad.). 

 Rissoa (Onoba) mundula A. Ad. Ann. Mag., 1801, VIII, p. 136. 



Corea Strait, 63 fms. (Ad.). 

 Rissoa (Onoba) elegantula A. Ad. [Ibid). Gulf of Pechili, 7 fms. 

 Rissoa (Onoba) elegans A. Ad. Ann. Mag., XI, 1863, p. 348. 



Seto-Uehi, 17 fms. ; Yara, 9 fms. (Ad.). 



Rissoa (Onoba) procera A. Ad. {Ihid). Yara, 9 fms.: Mososeki, 7 fms. (Ad.). 



Rissoa (Onoba) mirifica A. Ad. {Ibid). Kino-o-Shima, Tanabe. 



Rissoa (Onoba) bella A. Ad. (Ibid). Yara, 9 fms. 



Rissoa (Onoba) spirata A. Ad. (Ibid). Mososeki, 7 fms. 



Rissoa (Onoba) patula A. Ad. {Ibid). Yobuko, W. coast of Kiusiu, 14 fms. 



Rissoa (Onoba) egregia A. Ad. (Ibid). Seto-Uchi, 17 fms.; Yobuko, 10 fms. 



Rissoa (Onoba) lucida A. Ad. {Ibid). O-Shima. 



Rissoa (Onoba) annulata Dkr. Moll. Jap., p. 12, pi. 2, f. 12. 



Deshima. 

 Rissoa (Onoba) ferruginea A. Ad. Dkr., Index, p. 120. 

 Rissoa (Hyala) pumila A. Ad. Ann. Mag., 1870. VI, p. 123. 



Japan (Ad.). 

 Rissoa (Hyala) glabrata (Phil.) Ad. Japan (Ad.). 

 Rissoa (Setia) Candida A. Ad. Ann. Mag. (3), VIII, 1861, p. 136. 



Sado Island, 30 fms. (Ad.). 

 Rissoa (Setia) tricincta, bifasciata Ad. Ibid. Awa-Shima, in shell-sand (A. Ad). 

 Rissoa (Alvania) circinata A. Adams. Ann. Mag. (3), VIII, 1861, p. 137. 



Is. of Sado, 30 fms. (Ad.). 

 Rissoa (Alvania) semicostata A. Ad. t. c, p. 137. 

 Mino-Shima, 63 fms. (Ad.). 



