376 ANATIM5. 



47. CLANGULA. 



Clanfrula, Leach* in Hoss^s Toy. Discnv. App. p. xlviii 

 (1819) (e.r Gesner) ; Flem. Philos. of Zool. ii. p. 260 

 (1822) ; Boie, Isis, 1822, p. 564 C. glaucion. 



Glaucion, Kanp, Natilrl. Syst. p. 53 (1829) {nee Oken, 



1816) C. glaucion. 



Bucephala, Baird, B. of N. Am. p. 796 (1859) (nee 



Bucephalus, Baer, 1827, neque Sinith, 1829) C. albeola. 



Glaucionetta, Stejn. Pr. U.S. Nat. Mus. viii. p. 409 (1885). C. glaucion. 



Cliaritonetta, Stej)i. Bull. U.S. Nat. Mm. no. 29, p. 163 



(1885) ' C. albeola. 



Range. Northern Hemisphere. 



Key to the Species. 



a. Nostrils nearer to the tip than to the base of the 



, ^^^^■ 

 a' . Head and upper neck glossy greenish black, with 



a large roundish or oval spot of white on lower 

 part of lores {ynale) ; head of the female deep 

 hair-brown ; greater wing-coverts usually with- 

 out distinct blackish tips glaucion, p. 376. 



b' . Head and upper neck glossy blue-black, with a 

 large vertical triangular patch of white across 

 lores {male) ; female similar to that of the pre- 

 ceding species, but somewhat larger and with 

 the grey chest-band broader ; greater wing- 

 coverts, usually, not always, tipped with 

 blackish islandica, p. 383. 



b. Nostrils nearer to the base of the bill than to the 



tip ; male : head and upper neck rich silky dark 

 metallic green, bronze, and violet-purple, with a 

 large patch of pure white extending from behind 

 the eye to and across the occiput ; female : head, 

 neck, and upper parts generally dusk}' greyish 

 brown ; a spot on ear-coverts white albeola, p. .385. 



1. Clangula glaucion. 



The Golden Eye. 



Clangula, Briss. Orn. vi. p. 416 (part.) (1760). 



Anas clangula, Linn. S. N. i. p. 201, n. 23 (1766) ; Scop. Ann. I. 

 Hist. Nat. n. 71 (1769) ; Gerini, Stor. deqli Ucc. v. tav. 683 

 (1776) ; Gm. S. N. i. 2, p. 523, n. 23 (part.) (1788) ; Lath. Ind. 

 Orn. ii. p. 867, n. 87 (1790) ; Bonn. Enc. Meth. i. p. 138, pi. 38. 

 f. 4 (1790) ; Lath. Tr. Linn. Sac. iv. p. 118, tab. xv. f. 1, 2 

 (trachea) (1798); III. Prodi: p. 276 (1811); Pall. Zoogr. Rosso- 

 As.ii. p. 271 (1811); Temm. Man. p. .560 (1815); Leach, Cat. 

 p. 37 (1816) ; Vieill. N. D. v. p. 117 (1816) ; Bum. Diet. Sc. Nat. 



* Although Leach (l. c.) mentions Claiigula glacialis only, tlie type of the 

 genus is obviously Ana» clangida, Linn. In fact Leach has Clangula, from 

 Gesner's Clavgula, French " Garrot," which is A. clavgida, Linn. 



