328 PROCELLARIIDH, PETRELS.—GEN. 301, 302, 303, 304. 
tip, and often at base. Changes of plumage as in the foregoing ; size the same, 
but bill 2 long, scarcely 3? wide or high at the base, the tube about 3 long. 
Pacific Coast; only casual? P. tenwirostris Aup., vii, 210; Lawr. in Bp., 
826; P. glacialoides Smira ; Thalassoica 
glacialoides Rricu. ; Cougs, /. c. 30; P. 
smithii SCHLEGEL; Priocella garnoti 
Home. and JacQ. . . TENUIROSTRIS. 
301. Genus DAPTION Stephens. 
Pintado Petrel. Cape Pigeon. 
Bren 2W), 5 blender Pelee rolmar, Speckled above with blackish and white ; 
white below; tail black-barred; bill black; 15; wing 11; tail 43; bill 13; 
tarsus 13. Accidental on the Coast of California. Lawr., Ann. Lye. 
N> ¥.018583°6,andtin Bp: 8282.) ae ee ee! 2, eee CARENATOE 
302. Genus AISTRELATA Bonaparte. 
Black-capped Petrel. Adult: forehead, sides of head, neck all round, 
upper tail coverts, base of tail and all under parts, white; back clear bistre- 
brown (nearly uniform, but the feathers often with paler or ashy edges), 
deepening on the quills and terminal half of tail; crown with an isolated 
blackish cap, and sides of head with a black bar (younger birds with the 
_white of the head and neck behind restricted, so that these dark areas run 
together) ; bill black; tarsi and base of toes and webs, flesh-colored (drying 
yellowish) ; rest of toes and webs black. Young extensively dark below? 
Length 16; wing 12; tail 54, cuneate, its graduation 14: tarsus 12; middle 
toe and claw 24; bill 12, % deep at base, 2 wide; tube 4. Of casual occur- 
rence on the Atlantic Coast, U.S. P. hesitata Kuni, Monog. 142, No. 11; 
Tremm., Pl. Col. No. 416; Newron, Zool. x, 1852, p. 3691; Scuuxne., M. 
P.-B. 13; Z. hesitata Cougs, Proc. Phila. Acad. 1866, 139 ; P. meridionalis 
Lawr., Ann. Lyc. N. Y. iv, 475; v. 220, pl. 15; in Bp., 827. HasrraTa. 
303. Genus HAGLOCYPTENA Coues. 
Wedge-tailed, or Least Petrel. Blackish, more fuliginous below, the 
greater wing coyerts more grayish, the quills, tail, bill and feet black; no 
white anywhere. Length 53; wing 43; tail 24, cuneate, the graduation $5; 
bill 4, its height at base 4; tarsus .90; tibie bare 4. Lower California ; 
one specimen known (No. 11, 420, Mus. Smiths. Inst.). Cours, Proc. 
Phila. Atcad)., 1864, 795 Huron, pl.61. s:9. >< ee |. eee MLCROSOMAG 
3804. Genus PROCELLARIA Linneeus. 
Stormy Petrel. Mother Carey’s Chicken. Coloration of the last species, 
but upper tail coverts white, with black tips, and usually some white under 
the tail and wings; no yellow on the webs; tail a little rownded. About the 
size of the last. Common off the Atlantic Coast. Nurv., ii, 327; Aup., 
Vii; 228, pls 461; Lawren Bp. sal 2) 2-2 eee eB EAGTOAS 
