PROCELLARIIDiE — THE PETRELS — PUFFINUS. 577 



horny or buffy, the culmeii darker, the ungui grayish. Wing, 12.50-13.25 inches ; cul- 

 men, 1.60-1.70 ; depth of bill through base, .65-75 ; tarsu-s, 2.05-2.12 ; middle toe, 2.15- 

 2.40. Hab. Pacific coast I'rom California to Chili. 



5. P. anglorum. Above, unifonn blackish, the dorsal feather's without lighter tips ; lower 



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

 base, .40-45 ; tarsus, 1.70-1.80 ; middle toe, 1.65-1.70. Hub. North Atlantic, particu- 

 larly the eastern side. 



6. P. Auduboni. Similar in color to P. anglorum, but black of the head not extending 



below the eyes ; crissum dusky, except near anal region. Wing, 7.60-8.00 inches ; 

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

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

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

 Huh. Southern Pacific Ocean ; accidental on Pacific coast of North America ? ^] 



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



and the crissum fuliginous. Wing, 9.00 inches ; culmen, 1.30-1.40 ; depth of bill through 

 base, .35 ; tarsus, 1.75 ; middle toe, 1.70-175. Hab. Coast of Lower California to New 

 Zealand. 

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



8. P. Strickland!. 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 bill through 

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



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



coverts grayish white, with dusky shaft-streaks. Wing, 11.15-11 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. Hah. 

 South Pacific, north to Lower California. 



10. P. tenuirostris. 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 Pacific. 



Fuffinus Kuhlii. 



THE CINEREOUS SHEARWATER. 



Procellaria puffimis, Linn. Temm. Man. II. 1820, 805 (not of Linn. 1766). 



Paffinus cinereus, Cuv. Rhg. An. I. 1817, 554. — Temm. Man. IV. 1840, 506 (not of Audubon). 



Procellaria cincrea, KuHL, Beitr. Zool. 1820, 148, pi. 9, fig. 12 (nee Gmel. 1788). 



Procellaria Kuhlii, Boie, Isis, 1835, 257, sp. 25. 



Puffinus Kuhlii, Bonap. Consp. II. 1856, 202. — CouES,Pr. Ac. Nat. Sci. Philad. 1864, 128; Key, 



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



no. 708. 



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

 casual on the coast of North America (?). 



Sp. 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-fuliginous, 

 the primaries and tail uniform dark slate ; upper tail-coverts mottled with white terminally. 

 Lower 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 

 ungui ; 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, 

 1.85-2.00 ; middle toe, 2.10-2.25. 



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

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



1 King George's Sound, ^rfc Latham, Synop. III. pt. ii. p. 417 (luuk'i- "Dusky Petrol "). 

 VOL. II. — 48 



