PROCELLARnD.E — THE PETRELS — PUFFINUS. 377 



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

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

 2.40. Hab. Pacific coast from Calitbrnia to Chili. 



5. P. anglorum. Above, uniform blackish, the dorsal feathers without lighter tips ; lower 



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

 base, .40-45 ; tarsus, 1.70-1.80 ; middle toe, 1.65-1.70. Eab. 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. 

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

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

 Eab. Southern Pacific Ocean ; accidental on Pacific coast of North America ? i] 



7. P. gavia. Similar in color to P. awjlorum 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. 

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



8. P. Stricklaudi. Uniform fuliginous-dusky, much lighter and more grajish 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. Hah. 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. /TaZ). North Pacific. 



PuflBnus Kuhlii. 



THE CINEREOUS SHEARWATEB. 



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



Pttffinus cinereus, Cuv. Eeg. An. I. 1817, 554. —Temm. Man. IV. 1840, 506 (not of Attdubon). 



Procellaria cincrca, Kuhl, Beitr. Zool. 1820, 148, pi. 9, fig. 12 (uec Gmel. 1788). 



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



Puffinus Kuhlii, Boxap. 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. Norn. 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 (0. 



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 w'ith 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 Avhite 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 ciueretcs, by which it has been long known to 



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

 VOL. II. — 48 



