HELICIDffi. 107 



443. Helix (Pleurodonta) picturata, C. B. Ad. 



1 Jamaica ; ex c. W. A. Brown, Esq. 



444. Helix (Pleurodonta) bronni, Pfeiffer. 



1 Jamaica ; ex c. G. NevUl, Esq. 



445. Helix (Pleurodonta) scliroteriana, PfeifEer. 



1 Jamaica; ex c. G. Nevill, Esq. 



446. Helix (Pleurodonta) parilis, Perussac. 



1 Gnadalonpe; ex c. W. A. Brown, Esq. 



447. Helix (Pleurodonta) SOror, Perussac. 



1 Jamaica; ex c. W. A. Brown, Esq. 



Sub-Genus CTSTICOPSIS, Morch. (type E. tenerrima). 



448. Helix (Cysticopsis) tumida, O. B. Adams. 



6 Jamaica ; ex c. W. A. Brown, Esq., and Prof. W. Newcomb. 



Sub-Genus PLAQIOPTYOEA, Pfr., (type M. loxodon). 



449. Helix (Plagioptyciia) nemoraliaa, Petit. 



8 St. John's W. I.; ex c. W. A. Brown, Esq., and Prof. W. Newcomb. 



460. Helix (Plagioptycha) loxodon, Pfeifeer. 



6 Cueva Grande, S. Domingo; ex c. W. A. Brown, Esq. 



451. Helix (Plagioptycha) monodonta, Lea. 



20 Walls of S. Domingo City ; ex c. Prof. W. Newcomb and W. A. Brown, 

 Esq. 



Sub-Genus BENTELLABIA, Schum. (type R. punctata. 

 Bom). 



452. Helix (Dentellaria) orbiculata, Ferassac. 



1 Gnadalonpe ; ex c. Prof. W. Newcomb and W. A. Brown, Esq. 

 1 S. Lucia ; ex c. Prof. W. Newcomb and W. A. Brown, Esq. 

 4 Cayenne ; ex Landaner. 



453. Helix (Dentellaria) pachygastra, Gray. 



6 Guadaloupe; ex c. W. A. Brown, Esq., and Prof. W. Newcomb. 



454. Helix (Dentellaria) dentiens, Pemssac. 



4 Martinique ; ex Landaner. 



1 Gaadaloupe ; ex c. Evenor Dupont, Esq. 



