JAPANESE MOLLUSKS, LITTORINID^. 61 



Siliquaria (Agathirses) australis Quoy. Man. Conch., VIII, p. 189. 



Nemoto, Boshiu ; Tokyo Harbor (Stearns). Many small speci- 

 mens. 

 Vermetus tokyoensis n. sp. PI. I, figs. 9, 10, 11. 



Shell small, solitary, composed of numerous very slowly enlarging 

 whorls, oval or round in section, entirely prone, forming an irregu- 

 lar recumbent spiral, or an amorphous combination of spirals, all in 

 contact, or the last free at the aperture ; nearly smooth, but showing 

 in some places irregular concentric costulse or wrinkles; diameter 

 of whorl at aperture 1J mm. Earlier whorls showing two strong, 

 rather sharp parietal laminae, and a very slight colurnellar cord ; 

 the section being rather dumb-bell shaped (fig. 10). 



Tokyo Harbor (Stearns). 



TUBRITELLIDJE. 



Turritella erosa Couthouy. Bost. Journ. N. H., II, 1839, p. 103, pi. 3, f. 1. 



Northern Japan (Schrenck). 

 Turritella fascialis Mke. Ann. Mag., 1875, XVI, p. 107. 



Goza Harb., 6 fath., sandy mud (St. John). 

 Turriteila gracillima Gld. Otia Conch., p. 140. 



Kagoshima Bay (Stimpson). 



Turritella bacillum Kiener. Japan (Stearns, one dead shell). 

 Turritella oerea Reeve. C. Icon., pi. 6, f. 25. 



Nagasaki (Lischke). 



LITTORINIDJE. 

 Littorina grandis Middendorff. Midd., Reise, p. 198, pi. 11, f. 4-10. 



Bay of Castries. 

 Littorina brevicula Philippi. Conchyl. Cab., p. 100, pi. 14, f. 10, 11. 



Nagasaki and Hakodate (Lischke) ; Endermo (St. John). 



Littorina mandschurioa Schrenck. Reisen im Amurl., II, p. 333, pi. 14-20; L. 

 souverbiana Crosse, J. de C., X, p. 53, pi. 1, f. 6, 7, and L. balteata Reeve, Icon., 

 X, f. 71, a, b, are identical. 



Northern Japan. 



Littorina malaccana Phil. Abbild., Ill, p. 51, pi. 6, f. 17. 

 Tokyo (Dkr.). 



Littorina exigua Dunker. Moll. Jap., p. 13, pi. 2, f. 13 ; Conchyl. Cab., p. 95, pL 

 13, f. 13-16. 



Hachijo-Shima (Satow) ; Nagasaki (Rein) ; Deshima (Nuhn) ; 

 and Hakodate. 



