NORTH AMERICAN CONCHOLOGY. 



19^ 



[Pi'oc. Zool. Soc. London.] 



Locality. 

 Alabama. 

 Massachusetts. 

 Ilolston r. near Wash. 



Page. Name. 



82 Ancylus filosus //((W. (^VcHetia'). 



82 fuSCUS Aildins. 



S3 Haldemannii lymrj. 



A. ilejircssus Hald., not of Keferstein, 1834, nor of Deshayes, 

 1824. 

 84 obsciirus llahl. Tennessee. 



84 parallelus ILtld. 



A. rirularis Gould. 



85 rivularis Saij. United States. 

 88 . tardus Sa//. United States. 



92 Drouetianus Co«rf/. (pi. XXV, f. 10-17.) United States ? 



A. Adams. 



96 Semele Californica ^1. *tf/. Gulf of California. 



178 Chemnitzia interrupta (Turritella) Tott. United States. 



180 costulata JIi(jh. (^Turritella). United States. 



isrA. H. AND A. Adams. 



10 Melampus bidentatus Say. 



Auricula cortua Desh. 



11 (Tralla) Floridanus Shuttl. {Auricula). 



G. P. Deshayes. 



20 Cyrena (Anomala) insignis Desk. 



21 subquadrata Desk. 



H. AND A. Adams. 

 33 Carychium exiguum Saij {Pupa). 



A. Adams. 

 42 Typhis grandis A. Ad. (pi. xxvii, fig. 4). California 



Dr. L. Pfeiffek. 

 53 Helix strongylodes Pj'r. 



G. P. Deshayes. 

 68 Mactra Californica Disk. 

 70 goniata Ihsh. 



A. Adams. 

 137 Panopaea Middendorfii A. Ad. 

 137 Rhizochilus asper A. Ad. 



Dr. L. Pfeifier. 

 295 Achatina (Glandina) Albersi Pfr. 



A. Adams. 

 314 Latirus armatus .1. Ad. California. 



316 Chlorostoma funebrale A. Ad, California. 



Bay of California. 

 California. 



United States. 



Texas. 



Gulf of California. 

 California. 



Arctic Seas. 

 Gulf of California. 



Gulf of California. 



