86 HELICIDj;. 



196. Helix (Arianta) tudiculata, Binn. 



4 California ; coll. Prof. E. C. Stearns. 



197. Helix (Arianta) ayersiana, Newcomb. 



(Patula sp., fide Binn. and Bland.) 



4 California J coll. Prof. E. C. Stearns and Prof. W. Newcomb. 



198. Helix (Arianta) traskii, Newcomb. 



5 S. Bai-bara; California; coll. Prof. E. C. Stearns and Prof. W. 



Newcomb. 



199. Helix (Arianta) mormonum, Pfeiffer. 



3 California; coll. Prof. W. Newcomb. 



200. Helix (Arianta) areolata, Sowerby. 



(JEuparypha sp., fide Binn.) 



3 Lower California ; coll. Prof. W. Newcomb. 



201- Helix (Arianta) dupetithouarsi, Deshayes. 



8 Monterey ; coll. Prof. E. C. Stearns and Prof. W. Newcomb. 



202. Helix (Arianta) redimita, Binn. 



6 California; coll. Prof. E. C. Stearns. 



203. Helix (Arianta) exarata, PfeifEer. 



4 California ; coll. Pi-of . E. C. Stearns, 



204. Helix (Arianta) nickliniana, Lea. 



6 California ; coll. Prof. E. C. Stearns. 



205. Helix (Arianta) rufocincta, Newcomb. 



3 Catalina Island ; coll. Prof. E. C. Stearns. 



206. Helix (Arianta) facta, Newcomb. 



5 Santa Barbara and Catalina Island; coll. Prof. E. C. Stearns and Prof. 



W. Newcomb. 



207. Helix (Arianta) ? patasensis, PfeiSer. 



1 Patas, Peru ; ex c. F. L. Layard, Esq. 



Sub-Genus MESOBON, Raffles (type S. alholahris. Say). 



208. Helix (Mesodon) albolalsris, Say. 



10 New York ; ex c. Prof, W. Newcomb, Eevd, E, E. BeadJe, &c. 



