CERITHIOPSIS, TRIFORIS. 177 



C, INTERCALARIS (Guacomayo), C. FORTIOR (Sta. Barbara, Cal.\ of 



Carpenter. 

 C. CEREA, C. SOREX, C. DECUSSATA, C. PUPiFORMis, Carpenter. 



Mazatlan. 



C. NEGLECTA, C. BiMARGiNATA, C. B. Adams. Panama. 



C. FUSIFORME, C. B. Ad. ( C. neglecta, Sowb., not Adams, may be the 



same). Jamaica. 



C. CRYSTALLINA, C. SIGSBEANA, Dall. West Indies. 



C. JOHNSTONI, Petterd. Tasmania. 



C. ALBOSUTURA, Tenison-Woods. Tasmania. 



C. SCABRELLA, Tapparone-Canefri. Papuan Is. 



C. PAXILLUS, C. ROSEA, C. PAGODULUS, C. CERINA, C. BACULUM, C. 



CLAVULA, of A. Adams. Japan. 



C. AURANTIACA, C. LAQUEATA, C. RUGOSA, C. SEMIPICTA, of Gould. 



China Sea. 

 Subgenus L^EOCOCHLIS, Dunker and Metzger, 1874. 



L, GRANOSA, S. Wood. PI. 36, fig. 75. 



Shell reversed, whorls well-rounded, closely spirally ridged, lower 

 part of body whorl smooth, occasionally longitudinal sculpture is 

 developed ; white. Length, 40 mill. 



Arctic Europe. 



First described as a pliocene fossil. It is L. Pommeranice, Dunker 

 and Metzger, Triforis MacAndrece, A. Ad., and T. nivea, M. Sars, 

 MSS. 



Genus TRIFORIS, Desh., 1824. 



T. REGALIS, Jouss. PI. 37, fig. 76. 



Solid, white, or rarely maculated with chestnut, truncate, persist- 

 ent whorls about 12, longitudinally costate, cut by closer spiral 

 sculpture, suture scarcely impressed, thread-margined. 



Length, 8-11 mill. 



New Caledonia. 



Very closely aliied to the next species. 



T. NODIFERUS, Ad. and Reeve. PL 37, fig. 77. 



Whorls 12-14, turreted, subangulated in the middle, nodose in 

 three spiral series, nodules strongest on the angle ; white. 

 Length, 7 mill. 



China Sea. 

 12 



