142 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Genus MAJAQUEUS Reichenbach. 



Type. 



Majaqueus, Reichenb. Natiirl. Syst. Vog. p. iv (1852) ; 



Coues, Proc. Acad. Sci. Philad. 1864, p. 117; 



Salvin, Cat. Bds. Brit. Mus. XXV, p. 395 (1896); 



Sharpe, Hand-List Bds. I. p. 125 (1889). 

 Cymatobulus, Reichen. in Heine & Reichenow, Nom- 



encl. Mus. Hein. p. 363 (1890) M. czquinoctialis. 



Geographical Range. Southern Oceans. 



MAJAQUEUS ^QUINOCTIALIS (Linnaeus). 



Great Black Peteril, Edwards, Nat. Hist. Bds. II. pi. 89 (1746). 



Procellaria cequinoctialis, Linn. Syst. Nat. I. p. 132 (1758). 



Majaqueus cequinoctialis, Phil. & Landb. Cat. Av. Chil. p. 47 (1868) ; 



Sharpe, P. Z. S. 1881, p. 12 (Valparaiso, Aug.); James, New List 



Chil. Bds. p. 13 (1892); Salvin, Cat. Bds. Brit. Mus. XXV. p. 395 



(1896: Valparaiso: Coquimbo) ; Schalow, Zool. Jahrb. Suppl. IV. p. 



654 (1898: Cavancha) ; Sharpe, Hand-List Bds. I. p. 125 (1899); 



Carbajal, La Patagonia, Part II. p. 277 (1900) ; Martens, Hamb. 



Magalh. Sammelr. Vog. p. 18 (1900); Gates, Cat. Bds. Eggs, Brit. 



Mus. I. p. 156 (1901); Sharpe, Rep. Coll. Nat. Hist. "Southern 



Cross," Aves, p. 146 (1902). 

 Procellaria (Majaqueus] czquinoctialis, Oust. Miss. Sci. Cap Horn, 



Oiseaux, pp. 161, 332 (1891: Ponsonby Bay; Coast of Chile; 



Straits of Magellan; Falkland Islands). 



GENERAL DESCRIPTION. 



Size. Adult Male. Total length, about 20 inches. 

 Wing, 15 inches. 



Tail, central rectrices, 5.3 inches ; lateral rectrices, 4.5 inches. 

 Bill, 2.6 inches. 

 Tarsus, 2.6 inches. 



Color. Adult Male. General color throughout sooty black, with a 

 white triangular area on the chin. 



