f>2 NASSA. 



More pupaeform and apparently with much closer, finer sculp- 

 ture than N. nigella, yet they may very possibly be identical. I 

 do not hesitate to place these species in this group, although 

 they possess an exterior lip-varix, since otherwise, the relation- 

 ship is sufficiently apparent. 



Undetermined Species of Nassa. 



BUCCINUM FLORIDANUM, Lesson. Acapulco. 



" Is the South Sea representative of B. Cuvieri of authors." 

 N. GEMMELLARI, Biondi, ? Mediterranean. 



Is exotic, and perhaps = N. trivittata, Say. 

 N. TRTCARINATA, Lam. Hab. unknown. 



Not recognized by Kiener, Desh^es or subsequent authors. 



N. NISOTA, Potiez et Michaud. Senegal. 



N. OANCELLARTA, Potiez et Michaud. European Seas. . 



N. SEMINULUM, Tapp. Can. Papuan Isles. 



N". VITREA, Gray. Sierra L*one. 



N. ATTENUATA, Gray. Pacific Ocean. 



N. COSTULATA and IS". MARMORATA, Anton. Hab. unknown. 



N. FRIGENS, Yon Martens. W. Coast of Africa. 



Dredged at a depth exceeding 150 fathoms (precise depth not- 

 mentioned) ; resembles N. trivittata, Say, somewhat, but more 

 fragile. Owing to the depth of water it has the appearance of 

 the Arctic mollusca. The species of Nassa are decidedly littoral 

 in habit, so that this is an extraordinary exception, and raises 

 the question whether the species is really a Nassa. 



N. NITIDULA and N. CANDIDISSIMA, C. B. Ad. Jamaica. 



N. GEMMULOSA, C. B. Ad. (Very young shell.) Panama. 



N. LIMN^FORMIS, N. HfiRRMANNSENI, N. HANLEYANA, X. RUFA, 



N. SCULPTA, N. DARWINI, N. FORBESII, Dunker ; all without 

 locality. N. VARTANS, Dunker, Japan. 



N. VITREA, N. ACUTIMARGO ( China), N. AFRUM (Aden, Madagascar}, 

 N. BICOLOR, N. BIRMANIOA (Burmah), N. CHINENSIS (Loo Choo 

 Isles) , N. CORRUSCANS (Bali IsL), N. LIMICOLA ( China) , N. RTNGENS, 

 X. PINGUIS (Bali Isl.), X. QUISQUILIARUM (China), N. SINARUM 

 (China), N. L^TUM, all of Philippi. 



