HELICIDJE. 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. Nevill, Esq. 



445. Helix (Pleurodonta) schrbteriana, Pfeiffer. 



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



446. Helix (Pleurodonta) parilis, Femssac. 



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



447. Helix (Pleurodonta) soror, Ferussac. 



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



Sub-Genus CYSTIC OP SIS, Morch. (type H. tenerrimd). 



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



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



Sub-Genus PLAGIOPTYCHA, Pfr., (type H. loxodon). 



449. Helix (Plagioptycha) nemoralina, Petit. 



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



450. Helix (Plagioptycha) loxodon, Pfeiffer. 



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 DENTELLARIA, Schum. (type H. punctata, 

 Born). 



452. Helix (Dentellaria) orbiculata, Ferussac. 



1 Guadaloupe ; 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, Ferussac, 



4 Martinique ; ex Landaner. 



1 Guadaloupe ; ex c. Evenor Dupont, Esq. 



