20 JAPANESE MOLLU8K8, PLEUROTOMID^E. 



Mangilia robusticostata Smith. P. Z. S., 1879, p. 198, pi. 19, f. 28. 



Japan. 

 Mangilia splendida A. Ad. P. Z. S., 1867, p. 309, pi. 19, f. 24. 



Goto Is. (Ad.). 



Citharopsis oanoellata A. Ad. Ann. Mag. 1865, p. 323. 



Mino-Shiiua (Ad.) 

 Glyphostoma obtusioostata E. A. Smith. Ann. Mag., 1882, X, p. 304. 



(?) Japan, probably. 

 Clathurella crassilabrum Rve. C. Icon., f. 118. 



Hakodate (Albrecht). 

 Clathurella filosa Gld. Otia Conob., p. 134. 



Ooshima (Stimpson). 

 Clathurella gracilispira Smith. P. Z. S., 1879, p. 196, pi. 19, f. 25 (Defrancia). 



North of Kiushiu (St. John). 

 Clathurella leuckarti Dkr. Moll. Jap.; p. 2, pi. 1, f. 1. 



Deshiraa (Dkr.); Tokyo Harbor and Kamakura (Stearns). 

 Clathurella perinsignis E. A. Smith. Ann. Mag., 1884, XIV, p. 322. 



Japan (?). 

 Clathurella ootangulata Dkr. Moll. Jap., p. 1, pi. 1, f. 8. 



Deshiraa (Dkr.) ; north shore of Tango (Gaines, in Stearns coll.). 

 Bunker's figures are not nearly so angular at the shoulder as these 

 specimens. 

 Clathurella asperulata E. A. Smith. Ann. Mag., 1882, X, p. 296-7. 



Japan (A. Adams). 

 Clathurella piperata E. A. Smith. Ann. Mag., 1882, X, p. 298. 



Straits of Corea (A. Adams). 



Clathurella rubro-apicata E. A. Smith. Ann. Mag., 1882, X, p. J96. 

 Japan (?). 



Clathurella japonica Melvill. Proc. Malac. Soc. Lond., I, p. 227, pi. 14, 

 f. 11. 



Japan (Melv.). 



Clathurella 1 gainesii n. sp. PI. 2, f. 4. 



Shell elongated, turrited, corneous-brown, the interstices of the 

 latticed sculpture dark brown. Whorls 7, very convex, separated 

 by deep sutures ; the earlier portion of spire attenuated. Sculpture 

 consisting of strong, broadly rounded longitudinal folds (12 on last 



