BiL'XKRIA. 69 



Gents BULWERIA Bonaparte. (Page 54, pi. XIV., fii,'. 5.) 



Species. 

 Co.MMON Chakacteks. — Plumage entirely dusky sooty brownish durkor on 

 upper parts. 



a}. Greater wing-eoverts rather light sooty grayish brown, like lower parts; above 

 dark sootj- brown, paler on greater wing-coverts, nearly black on lesser wing- 

 coverts and quills ; lower parts unit'orui sootj' grayish brown. Downy youixj .- 

 Uniform dark soot^' brown. Length about 10.00, wing 7.70-8.00, tail 4.50- 

 4.75, graduated for 1.45-1.75, culmcn .85-1.00, tai-sus .90-1.10, middle toe .05. 

 Eff<j 1.73 X 1.22. Hab. Eastern Middle Atlantic, chiefly in the vicinity of 

 the Canaries and Madeira ; accidental at Bermudas and near coast of Green- 

 land • Xorth Pacific 101. B. bulweri (Jard. & Selby). Bulwer's Petrel. 



fl'. Greater wing-coverts blackish, like rest of wings. ("Like T. bulweri, but with 

 bdl rather larger; and it is without the sooty brown on the wings." — Gray.) 

 South Pacific Ocean (Fiji Islands). 



B. macgillivrayi (Gray). Macgillivray's Petrel.' 



Genus DAPTION Stephens. (Page 55, pi. XII., fig. 3.) 



Species. 



Lower parts (except chin and throat), rump, upper tail-coverts, and basal two- 

 thirds of tail, together with greater portion of scapulars and secondaries, white; back, 

 nimp, and upper tail-coverts, marked with triangular spots of dark sooty plumbeous ; 

 wing, except as described, chiefly sooty plumbeous, as is also the terminal third of 

 the tail; bill deep black; length about 15.00, wing 10.25-11.00, culmen about 1.25. 

 Sab. Southern seas in general, north, on Pacific coast of America (accidonially 

 only?) to California 102. D. capensis (Linn). Pintado Petrel. 



Genus HALOCYPTENA Coues. (Page 56, pi. XII., fig. 4.) 



Species. 

 Plain sooty blackish, lighter and more brownish on lower parts, middle and 

 greater wing-coverts, and fore part of head ; bill and feet uniform black ; length 

 about 5.75, wing 4.80. tail 2.50, the outer feathers .40 shorter; culmcn .45, tarsus 

 .85, middle toe .60. Hab. Coast of Lower California to Bay of Panama. 



103. H. microsoma Coues. Least Petrel. 



Genus PROCELLARIA Linn^us. (Page 56, pi. XYII., fig. 4.) 



Species. 

 Common Characters. — General color eootj- blackish, paler or more sooty 

 grayish below, the upper tail-coverts white ; bill and feet wholly black. 



' naiatndroma (Bu/icena) Macjillirrayi Q. R. Gbat, Cat. Birds Isl. PaciBc, 1859, 56. 



