LIMNAEACEA. 24.7 



52, Planorbis(Bathyomphalus)redfieldi,C.B. Ad. 



1 Jamaica ; coU. W. A. Brown, Esq. 



53. Planorbis (Bathyomphalus) luridus, Pfeiffer. 



3 Cuba; ex c. Dr. P. Stoliczka. 



64. Planorbis (Bathyomphalus) spirorbis, MuUer. 



30 England and Germany ; coll. G. Nevill, Esq. 



Sub-Genus ABMIGEB, Hartm. 



55. Planorbis (Armiger) nautileus, Linn. 



[? = P. crista, Linn., Tar.J 

 6 Yarkand ; coU. Dr. F. StoUczka. 



56. Planorbis (Armiger) crista, Linn. 



[= P. wnbricatus, Miill.] 

 15 England ; coll. G. Nevill, Esq. 



Sub-Genus (P) 



57. Planorbis singularis, Mss. 



2 Ovalau ; ex. Museum GodefEroy. 



58. Planorbis oregonensis, Tryon. 



1 steins V,, Oregon ; ex c. Prof. W. Newcomb. 



Sub-family ANCYLEA, Mke. 

 Genus ANCTLUS, Geoffroy. 



1. Ancylus obliqnus. Brad. & Sow. 



5 Lima ; ex. c. Ai Morelet, Esq. 



2. Ancylus tardus, Say. 



5 New York j coU. Prof. W. Newcomb. 



3. Ancylus patelloides, Lea. 



3 Idaho ; ex. c. Prof. E. C. Steams. 



