336 WEB-FOOTED BIRDS. 



terminating in paler zones of color. Scapulars, wings and tail of ^ 

 blackish-ash or slate color. Quills black. Sides of the neck and 

 breast waved with very pale ash color ; all the other lower parts, 

 white. Bill yellowish, with brown spots towards the end, which in- 

 dicates still the deficiency of mature age. Feet and their webs of a 

 livid-yellowish. Irids brown. 



In the young the upper plumage is much darker, and below there 

 are several places waved with ash. The bill is greyish-black, and 

 somewhat more slender than in the old, without apparent groove, 

 and the two tubes of the nostrils are not united under the same 

 vault. 



SHEAR- WATER PETREL. 



(Puffinus anglorum, Ray. Synops. p. 134. ^. 4. Montagu. Orn, 

 Diet. p. 390. [ed. alt.] Bonap. Synops. No. 312. Mank's Puffin, 

 Edwards, tab. 359. Shear-water Petrel, Penn. Brit. Zool. fol. p. 

 146. tab. M. et Arct. Zool. ii. No. 462. Procellaria anglorum, 

 Temm. Man. d'Orn. ii. p. 806.; 



Sp.Charact. — Bill very slender, almost 1| inches long ; tail rounded, 

 the wings extending somewhat beyond its tip : tarsus about 

 the length of the bill. — ,^dult glossy black, beneath pure white ; 

 bill blackish. 



The Manks Puffin inhabits the northern seas of both con- 

 tinents, but does not penetrate apparently into Arctic lati- 

 tudes. It is only a rare and accidental visiter in the United 

 States, but is sufficiently common in the northern British 

 islands, particularly the Orkneys and the Isle of Man. In 

 winter they migrate to the coasts of England and Ireland, 

 and are seen also in Norway. They are found in the Ork- 

 neys, particularly at St, Kilda, and in the Isle of Man, in 

 the breeding season, where they take possession of rabbit 

 burrows, or other holes near shelving rocks and headlands 

 impending over the sea, and lay one white Qgg, blunt at 



