AVES PODICIPEDID^E. 



73 



characters of the P. auritus, but it is at once distinguished from that 

 species by the silvery colouring of the plumes that adorn the sides of 

 the head; which in P. auritus are deep chestnut" (Gould, Voy. "Beagle," 

 Birds, p. 136, 1841). 



Genus ^CHMOPHORUS Coues. 



Type. 



, Coues, P. Acad. Sci. Philad. 1862, p. 

 229; Ogilvie-Grant, Cat. Bds. Brit. Mus. XXVI. 

 p. 549 (1898); Sharpe, Hand-List Bds. I. p. 115 

 (1899) Al. occidentalis. 



Geographical Range. North America and Central and Southern parts 

 of South America to the Straits of Magellan. 



FIG. 39. 



^ECHMOPHORUS MAJOR (Boddaert). 



Grebe de Cayenne, D'Aubent. PI. Enl. IX. pi. 404, fig. i (1781). 

 Le Grand Grebe, Buff. Hist. Nat. Ois. viii. p. 242 (1781). 

 Colymbus major, Bodd. Tabl. PI. Enl. 



p. 24 (1783). 

 Cayenne Grebe, Lath. Gen. Syn. iii. 



pt. i. p. 284 (1785). 

 Colymbus cayennensis, Gm. Syst. Nat. 



i- P- 593 (1788). 

 Podiceps cayanus, Lath. Ind. Orn. II. 



p. 781 (1790). 

 Colymbus bicornis, Licht. Verz. Doubl. 



p. 88 (1823: Montevideo). 

 Podiceps leucopterus, King, Zool. 



Journ. IV. p. 101 (1829: Straits 



of Magellan); Gray, List B. pt. iii. p. 149 (1844); id. Gen. B. III. p. 



633 (1846); Des. Murs in Gay's Hist. Chil. Zool. I. p. 463 (1847); 



Reichenb. Syst. Av. Natatores, pi. VII. figs. 740-741 (1848); James, 



List Chil. B. p. 15 (1885); Burm. An. Mus. Nac. Buenos Aires, III. 



pt. X. p. 249 (1888: Patagonia). 



jEchmopltoms major. Male. Museo de 

 La Plata. Outline of Wing, showing relative 

 proportion of primary and secondary quills. 



