NORTH AMERICAN CONCHOLOGY. 



99 



Pa. 



PL 



Fig. 



131 



viii 



28 



131 



ix 



23 



134 



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10 



150 



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3 



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xxiv 



4 



Name. locality. 



Anculotus prsemorsus. 

 Amnicola isogona. 

 Littorina litorea. 

 Puncturella Noachina (Cemoria). 

 Calyptraea rudis. 



radians. 

 Crepidula fornicata. 

 Acmaea testudinalis (Lottia). 

 (Tridopsis) Helix hirsuta. 

 (Helicella) Helix cellaria. 

 (Zua) Bulimus lubricus. 

 Physa Maugerae. California. 



Psyche globulosa Rang. Newfoundland. 



Clio borealis. 



(fig. 139) [p. 8, f. 3] Rhynchonella psittacea. 

 (fig. 170) Mya arenaria. 

 (fig. 174) Anomia ephippium. 

 (fig. 177) Modiola modiolus. 

 Placunomia macrochisma Desk. California. 

 Crenella discors. 



Area pexata. Soutli Carolina. 



Yoldia myalis. 

 Kellia rubra. 



Leperousii. Monterey, Cal. 



Cyprina Islandica. 

 Astarte sulcata. 

 Petricola pholadiformis. 

 Gnathodon cuneatus. 

 Solecurtus Caribaeus. 

 (fig. 220) Mya truncata. 

 Panopaea Americana. 

 Glycimeria siliqua. 



Parapholas bisulcata Conr. California. 



Chelyosoma Macleayanum. Greenland. 



[In the chapter devoted to the Geographical Distribution of Mollusca, 

 are valuable tables of species belonging to the Arctic, Boreal, Aleutian, 

 Californian and American Provinces, see pages, 355, 358, 372, 374, 380. — ■ 

 W. G. B.] 



584 



Helix labyrinthica Say. 



Eocene, England. 



[On p. 399 is a great deal of valuable information regarding the distri- 

 bution of terrestrial species. It is not in a convenient form to be trans- 

 ferred into this summary. — W. G. B.] 



