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 Pfeiffer (Mon. 1865), 

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

 divides the Genera.] 



PNETJMONQPOMA. 



Subordo. L— OPISOPHTHALMA. 



Fam.— ACICULACEA. 



Truncatella. 



§ 2 subcylindrica, Gray, 

 Calif ornica, Pfr., 

 pulchella, Pfr., 



3 Garibseensis, Sowb., 

 Bairdiana, Ad., 

 bilabiata, Pfr., 



■i rostrata, Gould, 



Florida, TY. Indies. 



California, 



Florida, W. Indies. 



Florida, Mexico, W. Indies. 



Panama, 



Florida, Mexico, W. Indies. 



Brazil. 



Subordo. II.— ECTOPHTHALMA. 



Fam.— CYCLOSTOMACEA. 



Subfam. I. — Gyclotea. 



Cyclotus. 



§ 1 giganteus, Gray, 

 Quitensis, Pfr., 

 Dunkeri, Pfr., 

 Inca, Orb., 

 iranslacidus, Sowb., 



Popayanus, Lea., 

 prominulus, Fer., 

 2 angulahis, Sowb., 

 granulatus, Pfr., 

 Bogotensis, Pfr., 



Columbia. 



Quito, N. Grenada. 



Equador, N. Grenada. 



Venezuela, Bolivia. 



Columbia, Guatemala, 



Ins. Trinidad. 



N. Grenada, 



Brazil. 



N. Grenada. 



Equador. 



N. Grenada. 



