NORTH AMERICAN CONCHOLOGY. 



239 



ITBIddendorfi! — Mollusken in the second volume of Reise in 

 cleu Aussersten ISTorden und Osten Sibiriens : by Dr. A. Th. 

 V. MiDDENDORFF. St. Petersburg, 1851. Pp. 163-464. 



Pa. 



PI. 



Fig. 



174 



XV. 



1-6 



178 



xiv 



7-10 



186 



xvi 



4.. 

 5\ 



187 



xvi 



1% 



2 a, 



3 



275 



xxvi 



3-5 



284 



xxviii 



,4-7 





xxix 



1-4 



Kame. 

 Chiton Brandtii Midd. 



submarmoreus Midd. 

 Patella (Acmaea) pelta Esch. 



patina Esch. 

 '■ A. scutum Esch. 



Unio Dahuricus Midd. 



Anodonta cellensis Schrot. 

 var. Beringiana Midd. 



Locality. 

 Sitka, &c. 

 Sitka, &:c. 

 Unalaschka. 



Sitka, &c. 



Sitka. 



Unalaschka.&c. 



[The balance of the pages are devoted to geographical distrihntion of species, and con- 

 tain information regarding American species (especially on page 3o0), not only of the 

 northwest coast, but also of the whole circumpolar regions.— W. G. B.] 



liamarck. — Histoire Xaturelle des Animaux sans Yertebres, 

 &c. : par M le Chevalier de Lamarck. Paris, 1818. 



Classe XI. CONCHIFERA. 

 Vol. V. Part ii. Jnly, 1818. 

 Tol. Pa. Name. 



Mactra gigantea Latn. 

 Cyclas cornea (var. a, b). 

 C. rivulis Drap. 

 Tellina cornea Limi. 

 sulcata Lum. 

 Btriatina Lam. 

 sarratogea. 

 Cyrena caroliniensis. 



Ci/c/iifs riiTiiHiiicnxiii Bosc. 

 Venus mercenaria Linn. 



472 



558 



500 

 560 

 560 

 503 



)91 



(Vol. vi. Pnrt i. Fevr.-Juin, ISlft). 



i 13 Cardium Groenlandicum Gmel. 



i 71 Unio crassidens. 



U. craasa Say. 



i 71 rariplicata Lam. 



i 72 ligamentina />«/n. 



i 72 obliqua A«w. 



Locality. 

 North America. 

 North America. 



Lake George. 

 Lake George. 

 Lake Saratoga. 

 Carolina. 



Boreal Ocean, Amer. 



Greenland. 

 Missouri, &c. 



Ohio river. 

 Ohio river. 

 Ohio river. 



