NORTH AMERICAN CONCHOLOGY. 



243 



Trai^k. — Proceedings of the California Academy of Natural 

 Sciences, vol. i. San Francisco. Dr. J. B. Trask. (Feb. 1855.) 

 Descriptions of — 



Page. Name. Locality. 



28 Anodonta Randall! Trash. Upper San Joaquin. 



29 triangularis Trash. Sacramento river. 



29 rotundovata Trash. Sacramento valley. 



30 Alasmodonta Yubaensis Trash. Yuba river. 



Holmes. — Description of a new species of Ostrea found living 

 in the waters of the Coast of South Carolina : by Francis S. 

 Holmes. (Proc. of Elliott Soc. of Nat. Hist, of Charleston, 

 S. C, vol. i. p. 29. June, 1856.) 



Page. Name. 



29 Ostrea triangularis Holmes. 



Locality. 



Edisto river. 



Chickering'. — List of Marine, Fresh-water, and Land Shells 

 found in the vicinity of Portland, Maine: by J. W. Chicker- 

 ING, Jr. 

 [No date, but publislied in 1855 or 1856.— W. G. B.] 



No. 



MARINE SHELLS. 



3 Anomia aculeata Gmelin. 



4 ephippium Linn. 



5 Astarte castanea Say. 



6 quadrans Gould. 



7 undata Gould. 



13 Buccinum obsoletum Say. 



14 plicosum Ml nice. 



15 rosaceum Gould. 

 IG trivittatum Say. 



17 undatum Linn. 



18 Bulla debilis Gould. 



19 pertenuis Miyhels. 



20 triticea Couth. 



21 Calyptraea striata Say. 



22 Cardita borealis Conrad. 



23 Cardium Islandicum Linn. 



24 pinnulatum Conrad. 



25 Cemoria Noachina Linn. 



No. 



26 Chiton albus Mont. 



27 Emersonii Couth. 



28 fulminatus Couth. 



29 ruber Lowe. 



30 Cingula aculeus Gould. 



31 arenaria Mont. 



32 latior Mi/jhels. 



33 minuta Totten. 



34 semicostata Mont. 



35 Cochlodesma Leana Conrad. 



36 Crepidula fornicata Linn. 



37 plana Say. 



38 Cyprina Islandica TJnn. 



39 Dentalium entale Linn. 



40 Fusus bamfEus Flcm. 



41 decemcostatus Say. 



42 pygmaeus Gould. 



43 rufus Mont. 



44 turriculus Mont. 



