'^. OCriANODROMA. 357 



1 2. Oceanodroma furcata. 



Fork-tailed Petrel, Penyi. Arct. Zool. ii. p. 2')'j, no. 403 ; Lath. Gen. 



Syn. iii. pt. 2, p. 410; id. Gen. Hist. x. p. 188 (1824). 

 Procellaria furcata, Gm. Si/st. Nat. i. p. 561 (1788) ; Lath. Ind. Orn. 



ii. p. 825 (1790) ; VieilL N. Diet. d'Hist. N. xxv. p. 423 (1817) ; 



id. Enc. Mith. p. 70(1823); Kuhl, Beitr. p. 136 (1820); 8chl. 



Mu^. P.-B., vi. Procell. p. 3 (1803); Grai/, Hand-l. iii. p 105 



(1871); Blahi><t. S,- Pn,er, Bird,-< Jap. p. lOO (1882); Blakist. 



Amend. Li.it Birds Jap. ])p. 21, 35 {\S6A) ; Seeb. Lbis, 1884, p. 33 ; 



id. Birds Jap. Emp. p. 271 (1890). 

 Pachyptila furcata, Sffph. in Shaiv's Gen. Zool. xiii. p. 255 (1826). 

 Tlialassidroina furcata, Gould, Zool. Voi/. ' Sulphur,' p. 50, pi. 83 



(1844); Grat/, List An>^eres Brit. Mus. p. 161 (1844); id. Gen. 



Birds, iii. p. 648, pi. 178 (1844); Peale, U.S. E.rpl. Erp. viii. 

 pp. 292, 337, pi. 78 (1848) ; Reich. Syst. Av., Si/ppl. Longip. pi. x\. 

 fi^. 785 (1852); Lawr. Birds N. Am. p. 829 (i860); Ball, Notes 

 Avif. Aleut. 7s. p. 9 (1874). 

 Oceanodroma furcata, Bp. Consp. Av. ii. p. 194 (1856) ; id. Compt. 

 Bend. xlii. p. 769 (1856) ; Coues, Pr. Ac. Phil. 1864, pp. 74, 89; 

 id. Key N. Am. Birds, p. 329 (1872), ed. 2, p. 782 (1884) ; id. 

 Check-list N. Am. Birds, p. 127 (1882) ; Swinh. Lhis, 1867, p. 387; 

 Nelson, Cruise ' Cor win,' -p. 113 (1883); Baird, Brew. Sf Eidgw. 



Water-Birds N. Am. ii. p. 413 (1884); Turjier, Auk, ii. p. 158 

 (1885) ; id. Contr. Nat. Hist. Alaska, p. 129 (1886) ; Ridyw. Man. 

 N. A7n. Birds, p. 70 (1887) ; Blak. Pr. U.S. Nat. Mus. ix. p. 655 

 (1887) ; Stejn. Pr. U.S. Nat. Mus. x. p. 125 (1887) ; id. Bull. U.S. 

 Nat. Mus. no. 29, p. 98 (1885) ; Palmer, Pr. Cal. Ac. So. (2) ii. p. 88 

 (1889) ; Tacz. Mem. Ac. Imp. St. Petersb. xxxix. p. 1068 (1893). 

 Procellaria orientali.*. Pall. Zooqr. Eoss.-As. ii. p. 315 (1811) (t/. 

 Cout's, Pr. Ac. Phil. 1864, p. 74 ; Swi7ih. Ibis, 1867, p. 387 ; SteJn. 

 Bull. U.S. Nat. Mus. no. 29, p. 98). 



Adult male. Cinereous, scapulars and wings outwardly greyish 

 black ; Aving-coverts edged with grepsh white ; area below the eye 

 black ; under surface pale grey, throat and under tail-coverts nearly- 

 white ; under wing-coverts and axillaries greyish black, edged with 

 white ; tail grey, darker towards the tip, the outer web of the 

 outer rectrix on either side white nearly to the tip : bill and feet 

 black. Total length about 8 inches, wing 6*2 ; tail, central rectrices 

 2-G5, lateral rectrices 3-4; bill 0-85, tarsus 1-02, middle toe 1-06, 

 outer toe 0'98, inner toe 0-82. 



Hah. Xorth Pacific Ocean as far south as Oregon. 



a. Ad. sk. N.W. America. Capt. Belcher [P.]. 



b, c. Ad. sk. Sitka. G. Barclay [P.J. 



d. 9 ad. sk. Sitka, May (F. Bischof). Salvin-Go'dman Coll. 



e. Ad. St. Sitka. Gould Coll. 



/. $ ad. sk. A\a.sks,^ox. (E.W.Nelson). Salvin-Godman Coll. 



g, h. (S ad. sk. St. Michael's, Alaska, Oct. Salvin-Godman Coll. 



{E. W. Nelson). 



I. Ad. sk. Vancouver's I. Dr. Lyall [P.]. 



j. Ad. St. Aleutian Is. Purchased. 



k.S ', /-n. 5 ad. Kurile Is., June (^. J'. iS/jow). Seebohm Coll. 



sk. 



0. cT ad. sk. Kurile Is.. May {Blakisto?i). Seebohm Coll. 



