[From Proceedings Cal. Acad. Kat. Sciences, December 2d, 1867.] 



Shells collected by the U. S. Coast Survey Expedition to 

 Alaska, in the yeai* 1867. 



BY ROBT. H. C. STEARNS, CURATOR OP CONCIIOLOGY, CAL. ACAD. NAT. SCIENCES. 



George Davidson, Esq., connected with the Coast Survey service of the United 

 States, who commanded the scientific department of the Ahiska Expedition, very 

 kindly tendered positions on his staff to the following members of the Academy : 

 Dr. A. Kellogg, as Surgeon and Botanist ; Theodore A. Blake, as Geologist ; and 

 W. G. W. Harford, as General Collector, by whom the species here enumerated 

 were collected. My acknowledgments are due to Dr. J. G. Cooper, of San Fran- 

 cisco, for assistance in determining species ; also to Dr. William Stirapson of Chicago, 

 for similar service in reference to the Buccinidie. 



1. Saxicava pholadis, Linn, var. arctica ; Sitka, Bella Bella, Kodiak, Ounalaska. 



2. Mya arenaria, Linn. ; Kodiak. 



3. SchizothaTus Nuttalli, Conr. ; Sitka, Kodiak. 



4. Machaera patula, Dixon ; Kodiak, Ounalaska. 



5. Macoma nasuta, Conr. ; Kodiak. 



6. Macoma inquinata, Desh. ; Fort Simpson, Bella Bella, Kodiak, Spruce Isl. 

 Y. Macoma inconspicua, Br. & Sby. ; Fort Simpson, Chilchat, Kodiak, Spruce Isl. 



8. Mera salmonea, Cpr.; Kodiak. 



9. Standella planulata, Conr. ; Kodiak, Ounalaska. 



10. Tapes staminea, var. Petitii, Desh.; Fort Simpson, Cliatham Sound. 



11. Tapes staminea, var ruderata, Desh. ; Fort Simpson, Carter's Bay, Sitka, 



Bella Bella, Kodiak, Spruce Isl. Ounalaska. 



12. Saxidomus Nuttalli, Conr. ; Ft. Simpson, Sitka, Carter's Bay, Kodiak. 



13. CanHum corbis, Mart.; Sitka, Bella Bella, Carter's Bay, Kodiak. 



14. Cardium blandum, Gould ; Sitka, Kodiak, Ounalaska. 



15. Serripes Gra?nlandicus, Chem. ; Kodiak, Ounalaska. 



16. Kellia Laperousii, Desh. ; Ounalaska. 



17. Lasea rubra, Mont. ; Sitka. 



18. Mytilus edulis, Linn. ; Ft. Simpson, Carter's Bay, Bella Bella, Sitka, Kodiak, 



Spruce Isl. 



19. Modiola modiolus, Linn.; Sitka, Ounalaska. 



20. Modiolaria laevigata. Gray ; Ounalaska. 



21. Axinffia septentrionalis, Midd. ; Bella Bella. 



22. Yoldia, n. s. '? ; Stomach of Halibut, Kodiak. 



23. Acila castrensis. Hinds ; Sitka. 



24. Placunanomia niacrosehisraa, Desh. ; Kodiak, Ounalaska. 



25. Helix Columbiana, Lea. ; Sitka, Chilchat River, 59° 9' N. 



26. Helix Vancouverensis, Lea. ; Sitka, V. Island. 

 2*7. Helix ruderata. Stud. ; Ounalaska. 



28. Helix fulva, Drap. ; Sitka, Ounalaska. 



29. Vitrina pellucida. Mull. '? ; Ounalaska. 



30. Zua lubrica. Mull. ; Sitka, Kodiak. 



31. Siphonaria thersites, Cpr. ; Fort Simpson. 



32. Katherina tunicata. Wood ; Sitka. 



33. Tonicia lineata, Wood ; Fort Simpson. 



