PROCELLARIIDH, PETRELS.—GEN. 309-10. 331 
257. Puffinus kuhlit Bonar., Consp. Av. ii, 202; Couns, Proc. Phila. 
Woeadvelsed at 28.e- Chroc.. cinereus GM?) oS Se ss KURI, 
Greater, or Wandering Shearwater. Dark bistre-brown, somewhat plum- 
beous on the head, most feathers of the back and wings with pale edges, most 
upper tail coverts partly white; below, white, with a plain line of demar- 
cation from the color of the upper parts on the side of the head and fore neck, 
and dark flank patches; quills and tail blackish, paler or whitish at bases 
of inner webs; lining of wings mostly white; crissum mostly dark; d7il 
dark; outside of tarsi and outer toe dark, rest of feet pale. Length 18-20; 
extent 45; wing 13; tail 53, outer feathers an inch less; bill 2; tarsus 22; 
middle toe and claw 24. Whole Atlantic coast, abundant. P.cinereus Nurr., 
ii, 334; AUD., vii, 212, pl. 456; P. major Lawre. in Bp., 833. . Magor. 
Flesh-footed Shearwater. Similar to the last ; no white on upper or under 
tail coverts or bases of quills; bill yellowish flesh color, with dark tube, cul- 
men and hook, short, very stout at base, with turgid tube; feet flesh color. 
Size of the last, but bill only 1%, height or width at base nearly %; tarsus 
24; middle toe and claw 23. San Nicholas Island, Cal. (No. 31,964, Mus. 
Smiths. Inst.). A doubtful species; I have little faith in its validity, but 
cannot refer it to any species known to me; it looks like one of the following 
section (tf) passing to a bicolor plumage. Cougs, /.c. 131. . CREATOPUS. 
Manks Shearwater. Blackish, this color extending below the eyes, 
leaving the under eyelid white; under parts, including crissum and lining of 
wings, white; bill greenish-black; outside of foot mostly blackish, inner 
side dingy orange; zbout 15; extent 33; wing 94; tail 4, graduated 3; bill 
14-14, but nearly 4 deep at base; tarsus under 2; middle toe and claw 2 or 
rather less. Very distinct from the rest. N. Atlantic Coast, common. 
Nourr., ii, 336; Aup., vii, 214, pl. 457; Lawr. in Bp., 834. ANGLORUM. 
Dusky Shearwater. Resembling the last, but rather grayish- or plum- 
beous-black, the dark color not reaching below the eyes; crissum mostly 
white ; bill dark leaden-blue ; much smaller and otherwise distinct. Length 
about a foot; extent 26 inches; wing 74-8; tail 44, graduated an inch; bill 
14; tarsus 12; middle toe and claw under 2. S. Atlantic Coast, as far as 
the Middle States, common. Norr., ii, 337; Aup., vii, 216, pl. 458; 
NA MET DE Oo) rane ects Pepe} ous aes fo.) =, ap OBSCURUS. 
Black-vented Shearwater. ike the last; crissum and lining of wings 
mostly blackish; sides of head dark below the eyes ; rather larger; bill 12; 
wing 9; tail 32, thus shorter; tarsus 14; middle toe and claw 24. Cape 
St. Lucas (Nos. 16,990-1, Mus. Smiths. Inst.). Seems to be distinct from 
the last, but may be the same as an exotic species of prior name. CouEs, 
BroceeehilaeANcada 1364. la9:e sos ss -. - = - OPISTHOMELAS. 
+} Below, dark, much like the upper parts. 
Sooty Shearwater. Dark sooty brown, blackening on the quills and tail, 
paler and grayish below, usually with some whitish on the lining of the 
wings; bill dark; feet dark outside, pale on the inner aspect. Length 18; 
extent 40; wing 12; tail 4; bill 13-2; tarsus 21-24; middle toe and claw 
