PUOCELLAKIID.E — THE PETRELS — I'UEl'TNUS. 



377 



B. 



horny or buffy, the cuhneii daiktr, the ungui grayish. Wing, 12.50-13.25 inches ; cul- 

 men, l.CO-1.70; depth of bill through base, .C5-.75 ; tarsus, 2.05-2.12 ; uuddle toe, 2.16- 

 2.40. Hab. Pacific coast from California to Chili. 



6. P. anglorum. Above, uniform blackish, the dorsal feathei's without lighter tii)s ; lower 



eyelid and crissum white. Wing, 8.50-9.25 inches ; culinen, 1.35-1.40 ; depth of bill nt 

 base, .40-.45 ; tarsus, 1.70-1.80 ; middle toe, 1.G5-1.70. Hab. North Atlantic, particu- 

 larly the eastern side. 



0. P. Auduboni. Similar in color to P. aiKjhnnti, but black of the head not extending 

 below the eyes ; crissum dusky, except near anal region. Wing, 7.00-8.00 inches ; 

 culmen, 1.20-1.25 ; depth of bill at base, .35 ; tarsus, 1.50-1.60 ; middle toe, 1.45-1.50. 

 Ilah. Warmer parts of the Atlantic Ocean, north to New Jersey. 



[P. obBcuruB. Similar to P. Auduboni, but with the lower tail-coverts entirely white. 

 JIah. Southern Pacific Ocean ; accidental on Pacific coast 6f North America ? *] 



7. P. gavia. Similar in color to P. anglorum and P. Auduboni, but no white about the eye, 



and the crissum fuliginous. Wing, 9.(K) inches ; culmen, 1.30-1.40 ; depth of bill through 

 base, .35 ; tarsus, 1.75 ; middle toe, 1.7t)-175. Hab. Coast of Lower California to New 

 Zealand. 

 Lower parts uniform fuliginous or smoky gray, like the upper. 



8. P. Strioklandi. Uniform fuliginous-dusky, much lighter and more grayish below ; bill 



uniform dusky. Wing, 11.15-12.00 inches ; culmen, 1.60-1.75 ; depth of Itill through 

 base, .50-.55 ; tarsus, 2.05-2.15 ; middle toe, 2.05-2.20. Hab. North Atlantic. 



9. P. griaeus. Similar in color to P. Stricklandi, but chin and throat paler, the under wing- 



coverts grayish white, with dusky shaft-streaks. Wing, 1 1.15-1 1.50 inches ; culmen, 1.55- 

 1.65 ; depth of bill through base, .45-.55 ; tarsus, 2.12-2.25 ; middle toe, 2.05-2.25. Hab. 

 Soutii Pacific, north to Lower California. 



10. P. tenuiroBtris. Similar to the last in color, but darker ; more blackish above and more 

 gray beneath. Wing, 10.00-10.10 inches; culmen, 1.20; depth of bill at base, .40; 

 tarsus, 1.90-1.95; middle toe, 1.90-1.95. Hab. North Pacilic. 



than the 

 length of 



tail, 6..''.i>; 

 irab. Olf 



tal length ; 



longer upi'L'i' 



y or grayi^l' 

 11.50-13.00 



1.25 ; miihll^' 



Fuffinus KuhliL 



THE CINEBEOVS SHEABWATEB. 



ProccUaria puffinus, Linn. Temm. Man. II. 1820, 805 (iiotofLixy. 1766). 



I'uffinus cinercas, Cuv. Rig. An. I. 1817, 554. —Temm. Man. IV. 1840, 506 (not of Audubox). 



ProccUaria cinerca, KniL, Beitr. Zool. 1820, 148, pi. 9, fig. 12 (nee Gmel. 1788). 



I'rocclfaria Kiihlii, Bon;, Isis, 1835, 257, sp. 25. 



PitJ/inusKuhlii, Bonap. Consp. II. 1856, 202. — CouEs.Pr. Ac. Nat. Sei. Philad. 1864, 128; Key, 



1872, 331 ; Check List, 1873, no. 596 ; cd. 2, 1882, no. 596. — Ridgw. Norn. N. Am. B. 1881, 



no. 708. 



Hab. Eastern Atlantic, particularly in the vicinity of Madeira, and the Mediterranean Sea ; 

 casual on tlie coast of North America (?). 



Si'. Char. Adult: Pileum, nape, back, scapulars and rump light brownish cinereous, the 

 feathers of the dorsal region with lighter terminal borders ; wings much darker slaty-fuliginons, 

 tlic primaries and tail uniform dark .«late ; upper tail-coverts mottled with white terminally. 

 Lijwer parts entirely white, the anterior under wing-coverts marked with narrow dusky shaft- 

 streaks ; malar region and sides of the neck and breast, along the junction of the white and gray, 

 transversely undulated with white and cinereous. Bill dull yellowish, dusky on the base of the 

 uni,'ui ; legs and feet light brownish in the dried skin. 



Wing, about 13.00 inches; culmen, 1.80-2.00; depth of bill through base, .65-.75 ; tarsus, 

 1.S5-2.00 ; middle toe, 2.10-2.25. 



The biograpliy of the common Cinereous Shearwater of Western Europe is one 

 of some little difficulty, as the name cbiereus, by which it has been long known to 



> King George's Sound, Jide Latham, Synop. III. pt. ii. p. 417 (under "Dusky Petrel"). 

 VOL. II. — 48 



