278 



PROCEEDINGS OF THE ACADEMY OF 



[1898. 



and show but a small amount of variation in general appearance. 

 The section Strophina has the dentition of typical Brachypodella. 



Section Brachypodella s. s. 



Type B. antiperversa Fer. 



This subgenus has a less specialized radula and wider geographic 

 range than the others. The species are all small, mainly quite slen- 

 der forms, for the most part not exhibiting great variety of form ; 

 but two exceptions may be noticed : B. brooksiana of Cuba, and 

 some related species, have the neck enormously drawn out ; while 

 in some of the continental forms there is a weak spiral lamina upon 

 the pillar. 



Continental Species : Tabasco and Yucatan to Venezuela. 



B. bourguignatiana (Ancey). 

 B. hanleyana (Pfr.). 

 B. morini (Morel.). 



B. speluncce (Morel.). 



B. speluncce, var. dubia (Pils.). 



B. subtilis (Morel.). 



Insular species : Curacao and Trinidad to Porto Rico. 



B. raveni (Bid.). Curacao. 



B. trinitaria (Pfr.) [P V.]. Trin- 

 idad. 



B. costata (Gldg.) [C F.]. Bar- 

 bados. 



B. antiperversa (Fer.) [P V.]. 

 Guadeloupe. 



B. collaris (Auct.) [P V.]. Gua- 

 deloupe, Martinique. 



B. pallida (Gldg.). St. John, 



Tortola, St. Thomas, Porto 



Rico. 

 B. chordata (Pfr.). St. Croix. 

 B. portoricensis (Pfr.). Porto 



Rico. 

 B.riisei (Pfr.) [P V.]. Porto 



Rico. 



Greater Antilles — Haiti. 



B. dominicensis (Pfr.). 



B. gouldiana (Pfr.). 



B. obesa (Weinl. & Mts.). 



B. smithiana (Pfr.). 

 B. weinlandi (Pfr.). 



Greater Antilles — Cuba. 



B. blainiana (Gundl.). 



B. brooksiana (Gdl.) [C F., P. 



V.]. 

 B. camoensis (Pfr.). 

 B. capillacea (Pfr.). 

 B. cyclostoma (Pfr.) [B., P V.]. 



B. modesta (Poey). 

 B. phiUppiana (Pfr.). 

 B. plicata (Poey) [P V.]. 

 B. porrecta (Gld.). 

 B. rugeli (Shutt.). 

 B. scalarina (Shutt.). 



