Trans. N. V. Ac. Scz. 152 May 28, 



Bulimulus multilineatus. Say. Also New Granada, Venezuela and 

 Florida. 



* Bulimulus elongatus, Bolt. Also Porto Rico, Virgin Is., St. Croix, 

 and several of the Lesser Antilles ; also Central America. 



* Cionella Gloynei, Gibbons, has dentition of the genus, W. G. 

 Binney. 



Geostilbia } Sp. indet. 



* Scrophia uva, L. Gibbons found a young dead specimen at Sta. 

 Martha, but supposed it to have been brought from Curagao. Wood- 

 ward and Paetel erroneously refer the species to Guadeloupe. 



Pupa longurio, Crosse. 



* Macroceramus inermis, Gundl, Also Cuba. I considered the 

 Curasao species to be M. Gossez, Pfr., which is found in Jamaica, 

 Cuba. Bahamas and Florida. Dentition same as of Gossei, W. G. 

 Binney. 



* Cylindrella Raveni, Bland. 



Stenogyra octonoides, C. B. Ad., Gibbons. Also Jamaica. Cuba, 

 Bahamas, Hayti, and other of the West India islands. 



BUEN AYRE. 



"* Tudora 7negacheila, P. & M. 



* Tudora versicolor, Pfr. 



* Tudora versicolor, } var ? 



* Cistula maculata, 7iov. sp. 



I add the following description, which will serve to identify it. Shell, 

 rimate, elongate, thin, finely striate, pale horn colored, with 4 to 6 spiral 

 bands, on each whorl, of reddish-brown spots arranged in longitudinal 

 lines ; bands and spots sometimes more or less obsolete ; suture deep, 

 whorls, 7 to 8, convex ; — the upper 3 whorls usually absent, the last 

 descending, solute ; aperture, circular ; peristome, simple, slightly 

 thickened. Operculum, closely fitting upon, scarcely ext<ending beyond 

 the margin of the peristome. 



Length of the shell, entire, 10 mill ; of remaining whorls, 8 mill, 

 breadth of penultimate whorl, 4 mill ; diameter of aperture, 2 mill. 



* Succinea_^7ra/<z, Gibbons. 



* Conulus ? — indet., one dead specimen found. 



* Bulimulus elongatus. Bolt. 



* Cionella Gloynei, Gibbons. 



* Strophia uva, L. 



* Macroceramus inermis, Gundl. 



* Cylindrella Raveni, Bland. 



The species, to the names of which an asterisk is prefixed were -col- 



