TERN. NATATORES. STERNA. 477 



the rest pearl-grey. Tail white, and forked. Wings, 

 when closed, extending beyond the tail. Legs and toes 

 yellow ; the tarsi about five-eighths of an inch in length. 



Fig. 4. is the Young Bird, when fledged. Young. 



Forehead, crown, and occiput, cream-yellow, varied with 

 blackish-grey on the latter part. Back, scapulars, 

 and part of the wing-coverts cream-yellow, each feather 

 having an angular bar near the tip. Chin, throat, and 

 under plumage, white. Tail white at the base, passing 

 into cream-yellow at the tip. Bill pale yellow, with its 

 tip blackish-brown. Legs and toes pale sienna-yellow. 

 The winter plumage of the adult differs from that of the 

 summer only, in having the black upon the head less 

 intense, and the white of the forehead extending farther 

 backwards. 



BLACK TERN. 



STERNA NIGRA, Linn. 



PLATE XCI. 



Sterna nigra, Linn. Syst. 1. 227- 3 GmeL Sjst. 1. 608 Lath. Ind. Orn- 



2. 810. sp. 24 Briss. Orn. 6. 211. 4 Flem. Br. Anim. 1. 144. No. 236- 

 Sterna fissipes, Linn. Syst. 1. 228. 7 GmeL Syst. 1. 610 Lath. Ind. dm- 



2. 810. sp. 23. 



Sterna atricapilla, Briss. Orn. 6. 214. 5. 

 Larus niger Gesneri, Raii Syn. 131. A. 3 Will. 269. 



Larus minor fidipes nostras, Raii Syn. 132. A. 6 Will. 270. 



Larus niger fissipes alis longioribus, Aldrov. Raii Syn. 131. 4 Will. 270 



t. 68. 

 Viralva nigra, Leach in Cat. Br. Mus Steph. Shaw's Zool. 13. 167. 



pL 19. 

 Hirondelle-de-Mer noir ou 1'Epouvantail, Buff. Ois, 8. 341 Id. PI. Enl. 



333 Temm. Man. d'Ornith. 2. 749. 



Hirondelle-de-Mer a Tete noir, ou le Cachet, Buff. Ois. 8. 342. 

 Schwarze und Schwarzkehliger Meerschwalbe, Bechst. Nature. Deut. 4 



692. and 697- 

 Schwarzgraue Meerschwalbe, Meyer, Tasschenb. Deut. 2. 461. 



Lesser Sea Swallow, Albirfs Birds, 2. t. 89 Lath. Syn. 6. 367. 22. A. 



Black Tern, Penn. Br. Zool. 2. 547. No. 256 Arct. Zool. 2. 450 Lath. 



Syn. 6. 366. 22. Id. Sup. 267 Levin's Br. Birds, 6. pi. 206. Mont. 



