OP CONCHOLOGY. 



59 



CATALOGUE OF THE OPERCULATED LAND SHELLS 

 WHICH INHABIT THE CONTINENT OF AMERICA. 



[Note. — In the following Catalogue, the Genera and Spe- 

 cies are arranged in the order adopted by Pfeifter (Mon. 1865), 

 and the numbers are given of the sections (§) into which he 

 divides the Genera.] 



PNEUMONOPOMA. 



Subordo. L— OPISOPHTHALMA. 



Fam.— ACICULACEA. 

 Truncatella, 



§ 2 suhcylindrica, Grav, Florida, W. Indies. 



Galifornica, Pfr., California. 



pulchella, Pfr., Florida, W. Indies. 



8 Garibseensis, Sowb., Florida, Mexico, W. Indies. 



Bairdiana, Ad., Panama. 



bilahiata, Pfr., Florida, Mexico, W. Indies. 



4 rostrata, Gould, Brazil. 



Subordo. II.— ECTOPHTHALMA. 

 Fam.— CYCLOSTOMACEA. 



Subfam. I. — Cychtea. 

 Cyclotus. 

 § 1 giganteus, Gray, Columbia. 



Quitensis, Pfr., Quito, N. Grenada. 



Dunkeri, Pfr., Equador, N. Grenada. 



Inca, Orb., Venezuela, Bolivia. 



translucidus^ Sowb., , Columbia, Guatemala, 



Ins. Trinidad. 

 Popayanus, Lea., N. Grenada. 



prominulus, Fer., Brazil. 



2 angulatus, Sowb., N. Grenada. 



granulatus, Pfr., Equador. 



Bogotensis, Pfr., N. Grenada. 



