324 ROSS'S GULL. 



the nape, and extending as much lower on the throat. Mantle and 

 wings bluish-grey. The outer web of the first quill-feather is black to 

 near the tip, and a broad band of the same crosses the ends of the five 

 outer primaries ; all the quill-feathers are terminated with white, that 

 on the first primary and of all the secondaries being upwards of an 

 inch long ; all the shafts whitish. Bill and legs vermilion, the former 

 obscurely barred near the tip. 



" Form. — Bill rather stout, curved from the nostrils, with the gonys 

 forming an evident salient angle ; its depth equal to twice its breadth. 

 Wings an inch and a half longer than the perfectly even tail. Thighs 

 an inch bare. 



" A female and another male, killed at the same place six weeks 

 later in the season, correspond minutely with the above. 



" Dimensions of a male. Length to end of tail 17 inches ; tail 4^ ; 

 wing 11 ; bill along the ridge ly^j ; rictus 1{| ; tarsus 1^% ; middle toe 

 Ifg, its nail ^| ; inner toe 1 ; hind toe ^\, its nail tV-" 



ROSS'S GULL. 



Larvs Ross, Richardson. 



Not having met with this beautiful little Gull, I am obliged to refer 

 to Dr Richardson's description of it in the Fauna Boreali- Americana. 



Larus Rossii, Cuneate-tailed Gull, Richards. Parry's Second Voy. App. 

 p. 359. — Ross, Parrfs Third Voy., p. 195. — Richards. Fauna Bor.-Amer. vol. ii . 

 p. 427. 



" Cuneate-tailed Gull, with a pearl-grey mantle. Wings longer 

 than the cuneiform tail. The outer web of the first tail-feather black- 

 ish; a slender black bill, tarsi an inch long, and, as well as the feet, 

 vermilion red. 



" Two specimens of this Gull were killed on the coast of Melville 

 Peninsula, on Sir Edward Parry's second voyage, one of which is 

 preserved in the Museum of the University of Edinburgh, and the 

 other was presented to Joseph Sarine, Esq. No other examples are 



