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16. 

 FORK-TAIL P. 



Description. 



Place, 



Fork-tail Petrel, ArB. Zool. N° 463. 

 Lev. Mi//. 



ENGTH ten inches. Bill black, three quarters of an inch 

 in length j the upper mandible very hooked at the end, and 

 the tube of the noftrils reaches fome way on the top of it : general 

 colour of the plumage a dark filvery grey, paleft beneath; the 

 chin very pale grey: vent white: on the forehead and crown is a 

 mixture of brown : the inner ridge of the wing dufky black : the 

 quills are of a blackifh grey : the fecondaries paler grey on the 

 edges : the tail coverts are pretty long : and the tail itfelf the 

 colour of the quills, and forked in fhape; the outer feather white 

 on the outer web : the wings, when clofed, equal the tail in-, 

 length : the legs are black. 



Found among the ice, between Afia and America. 



'7- 

 FRIGATE P. 



Description. 



Procellaria fregata, Lin. Syft. i. p. ziz. 2. 



T ENGTH eight inches and a half. Bill one inch ; (lender, and 

 not greatly hooked : the top of the head, and hind part of the 

 1 neck, as far as the moulders, blueifh am-colour : back and wing 

 coverts brown : rump hoary blue : fides of the head above the 

 eye, and all the under parts, white : under the eye a trace of 

 blueifh afh-colour : the tail, when fpread, feems hollowed out in 

 the middle, but fcarcely what may be called forked : legs black: 

 on the middle of each web a yellowim mark. 



Such is the defcription of a bird among the drawings of Sir 

 Jofeph Banks } which I liken to that mentioned by Linnaus, of 



which. 



