NATATORES-PROCELLARIDjE — DIOMEDEA. 
289 
(EXTRA-LIMITAL.) 
P. anglorum, Ray. (Aud. B. of A. Yol. 7, p. 214, pi. 457.) Bill very slender, much incurved 
at the tip, 1 • 6 long. Tarsus 1-8 Tail rounded, of 12 feathers. Brownish black ; beneath white. 
Length, 15 • 0. Sable Island. Coast of Maine. 
Genus Diomedea, Linn ecus. Bill longer than the head, very robust and hard, deeply seamed on each 
side, strongly hooked at the point. Lower mandible smooth : palate with serrated processes. 
Nostrils in distinct tubes on the sides of the bill. Feet stout, short. Tarsus a fourth shorter 
than the middle toe: no rudiment of hind toe or nail. 
D. fusca, Bonap. (Albatross, Aud. B. of A. Vol. 7, p. 200, pi. 454.) Uniform dusky: bill black; feet 
yellow. Ridge of the bill carinate, entering the forehead in an acute angle. Length, 34 -0. 
Columbia river. 
D. nigripes. (Aud. Ib. p. 198.) Sooty-brown; beneath grey: feet black. Ridge of the bill broad 
and convex. Length, 36‘0. California. 
D. chlororhyncos, Gmel. (Aud. Ib. p. 196.) Bill compressed, convex above, black above, yellow 
beneath; feet yellow; head and neck ash-grey ; beneath white. Length, 37‘0. California. 
Genus Procellaria, Linnaeus, Bonaparte. Bill as long as the head, stout, broad and hard; lower 
mandible straight, somewhat truncated at the tip: mental angle projecting. Nostrils in a single 
tube. First quill longest. Hind toe merely a thick and obtuse nail. 
P. glacialis, Linn. (Aud. 1. c. Vol. 7, p. 204, pi. 455.) White; back and wing-coverts bluish grey; 
bill and feet yellow. Tail conical. Summer, a dusky spot before the eye. Young, pale cine¬ 
reous, varied with brown. Length, 17'0. Northern regions. Oceanic. Occasionally on the 
coast of the United States 
P. pacifica. (Aud. 1. c. Vol. 7, p. 208.) Head, neck and beneath white. Nasal tube straight ; its 
ridge distinctly carinate. Length, 18-0. Northwest coast. 
P. tenuirostris (Aud. 1. c. p. 210.) Bill more elongated and slender than the preceding; 2*0 long. 
Color of the preceding. Length, 18‘5. An. var. 1 Columbia river. 
[Fauna — Part 2.J 
37 
