NORTH AMERICAN CONCHOLOOY. 



243 



Tr«isk. — 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 Randalli Trash. Upper San Joaquin. 



29 triangularis Trask. Sacramento river. 



29 rotundovata Trask. Sacramento valley. 



30 Alasmodonta Yubaensis Trask. 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. 



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

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

 ing, Jr. 



[No date, but published 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 Menke. 



15 rosaceum Gould. 



16 trivittatum Say. 



17 undatum Linn. 



18 Bulla debilis Gould. 



19 pertenuis Miijhels. 



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 Mighels. 



33 minuta Totten. 



34 semicostata Mont. 



35 Cochlodesma Leana Conrad. 



36 Crepidula fornicata Linn. 



37 plana Say. 



38 Cyprina Islandica Linn. 



39 Dentalium entale Linn. 



40 Fusus bamfhus Flem. 



41 decemcostatus Say. 



42 pygmaeus Gould. 



43 rufus Mont. 



44 turriculus Mont. 



