6 Additions to North American Ornithology. 



referred by the writer in the Zoologist ; it may possibly be so, 

 but Grmelin's description applies better to our Common Shear- 

 water, which has generally been considered the same as his 

 species, but is now acknowledged to be Puffinus major Faber. 



Until further opportunities for investigation offer, I think its 

 identification with Gould's bird is sufficient for its introduction 

 into our Fauna. 



Upper plumage bluish-ash or pale plumbeous, with a silvery 

 gloss, darker on the head, where the feathers are short and 

 satin}' ; sides of the head, of the same color, which also extends 

 on the neck in front, where it becomes paler ; wing coverts dark 

 bluish-ash, broadly margined with chocolate brown ; primaries, 

 greyish black on the outer webs and ends of the inner, rest of 

 the inner webs, light brownish-ash, becoming whitish at the 

 base ; secondaries, chocolate-brown ; tertiaries, brownish-ash ; 

 inner lining of wings and axillars, brown ; tail, brownish-black 

 and graduated, the two central feathers, obtusely pointed ; 

 under plumage, white; upper and under tail coverts, ashy- 

 brown ; upper mandible, black along the ridge ; the sides and 

 hooked tip, yellowish white; under mandible, dusky yellow, 

 with the lateral grooves black, and the cutting edges white ; 

 tarsus in front, the middle and inner toes, and the webs, yel- 

 low, outer toe and hind part of tarsus, brown ; claws, yellow 

 at base and dusky at tip ; spur, short and strong. 



Total length of skin, 19 inches ; wing from flexure, 13i 

 inches; bill along the ridge, 2i inches; tarsus, 21 inches; 

 outer toe and claw, 3 inches; middle, 3 inches; inner, 2h 

 inches ; spur, \ inch ; tail, 4f inches. 



In form, rather robust, with the bill quite broad at the base, 

 nearly i inch. 



Killed off the coast of California near Monterey. 



From the collection of N. Pike, Esq. 



3. Piiocellaria Capensis Linn. Head and hind neck, 

 black ; back, rump, and upper tail coverts white, spotted with 



