APPENDIX C. — BIRDS, 335 



OiDEMiA VELVETINA, Cassin, Pr. A. K S. Phila, V. 126. Decem- 

 ber, 1850. Atlantic coast. [O.fusca of former authors). 



Larus brachyrhynchus, Gould, Pr. Zool. Soc. Lond., 1841, pi. 

 106. July, 1843. Zoology of the Sulphur, pi. 34. Wes- 

 tern N. America. 



Larus belcheri, Vig. Zool. Jour., IV. 358. 1828-9. Pacific 

 coast of North America. 



Sterna elegans, Gambel, Pr. A. N. S. Phila., IV. 129. Decem- 

 ber, 1848. Mazatlan. 



Sterna caspia, L. — Lawrence, Ann. N. Y. Lye. May, 1850. 

 Atlantic coast, U. S. 



PROCELLARIA MERIDIONALIS, Lawrcncc, Ann. N. Y. Lye. Fe- 

 bruary, 1847. Indian River, Florida. 



Thalassidroma furcata. Lath. — Gould, Zool. Sulphur. Rus- 

 sian America. 



Thalassidroma fregetta, Kuhl. — Lawrence, Ann. N. Y. Lye. 

 April, 1851. Florida. 



Phalacrocorax perspicillatus. Pall. Zool. Ros. As., II. 303. 

 Gould, Zool. Sulphur, pi. 32. Russian America. 



Phalacrocorax penicillatus, Brandt. Monterey. 



Uria brevirostris, Vig. Zool. Jour., IV. 357. 1828-9. Pa- 

 cific coast of N. America. 



Mergulus cirrocephalus, Vig. Zool. Blossom. 1839. Pacific 

 coast of N. America. 



Mergulus cassinii, Gambel, Pr. A. N. S. Phila., II. 266. Au- 

 gust, 1845. Coast of California. 



Ptychorhamphus aleuticus, Brandt, Bull. Sc. St. Peters- 

 burg, II. 1837. Aleutian Islands. 



Brachyrhamphus wrangeli, Brandt, Bull. Sc. St. Peters- 

 burg, II. No. 20. Aleutian Islands. 



Brachyrhamphus brachypterus, Brandt, Bull. St. Peters- 

 burg. Unalaschka. 



