892 



APPENDIX. 



COTTES KEY, 1884. UNION LIST, 1886. 



771 bis. Add: Larus marinus schistisagus. Slaty-Backed Gull. Adult: white; 

 mantle dark slate-gray. First primary with a long white tip and a gray wedge on the inner 

 web; second with a subapical white spot on the inner web only, and the gray wedge further 

 down; third with the gray wedge reaching the subapical spot; no gray wedge on outer webs 

 of first four primaries. Feet pinkish flesh-color. Bill yellow, with red spot on gonys. Iris 

 yellowish cream-color. Nearly the size of the last, from which probably not distinct. N. 

 Pacific and Arctic Oceans, coast of Alaska. Bull. U. S. Nat. Mus., No. 29, 1885, p. 67. 



793. caspia. 



794. maxima. 



795. elegans. 



796. oantiaca. 



797. himndo. 



798. forsteri. 



799. macrura. 



800. dougalli. 



801. superciliaris antUlarum. 



802. trudeaui. 



803. aleutica 



804. fuliginosa. 



805. ansesthetica. 



806. Hydrochelidon lariformis. 

 leucoptera. 



Anous stolidus- 



807. 

 808. 



3. Rhynchops nigra. 



77. Hydrochelidon nigra surinamensis. 

 [78.] leucoptera. 



79. Anous stolidus. 



80. Rynchops nigra. 

 00. [Not admitted in the List.] 



809 6is. Add: Diomedea exulans. Wandering Albatross. Adult: White, more 

 or less tinged with yellowish, the flight-feathers dusky, the larger wing-coverts and the back 

 usually barred with blackish. Bill very stout, with deeply concave culmen, and angulated 



