ni. MEKOANEXrA. 457 



d. Ad. sk. New Zealand. Capt. Sir G. Grey [P.]. 



c. S ad. sk. Uiiskv Bay, New Zealand, Capt. Stokes [P.]. 



Feb. (Z)/-. LyaU). 



f, g. S ad. et imm. E^linton River, S. Island, Colonial Museum [P.]. 



sk. N. Zealand, Feb. 



h. Skeleton. Otago, New Zealand. Otago Museum [P.]. 



CI. MERGANETTA. t, 



Type. 



Merganetta, Gould, P. Z. .V. INII, ]). 9o ]M. armata. 



liapliipterus, Gay, Atlaa dc Id Hist. Jis. y poUt. de Chile, 

 pl. — (1844, fde Des Murs, Icon. Orn., genre Merga- 

 netta, p. 2, 184.5) M. armata. 



Rha])hipterus, Des Miirs in Gay, Hist, de Chile, Zool. i. 

 p. 4.J9 (1848). 



Range. Confined to the Andes. 



Key to the Species. 



a. Lower parts not uniform cinnamon or i-eddish 



fulvous. [Males.) 

 a' . Anterior part of the cheeks below the eyes and 

 throat black, like the breast. 

 a" . White of the superciliary stripe separated 

 by a vertical black band from the triangular 



white patch before the eyes franata, p. 4.58. 



b" . White of the superciliary stripe continuous 

 with the white of the triangular patch 



before the eyes armata, p. 4.58. 



b' . Cheeks and throat white. 



c" . Breast and flanks black : feathers of the 



back edged with rufous-brown turneri, p. 460. 



d". Breast and flanks not black, but whitish, 



the feathers with dusky mesial spots or 



stripes. 



a". Feathers of the bock and scapulars edged 



with greyish white, lower parts tinged 



with pale reddish yarleppi, p. 460. 



b'". Feathers of the back and scapulars edged 

 with olive-brown. 

 «'. Ground-colour of breast and abdomen 



whitish with a slight rusty tinge .... leiicogenys, p. 461. 

 b\ Ground-colour of breast and abdomen 



white Columbiana, p. 462. 



b. Lower parts uniform cinnamon or reddish fulvous. 



(Females), 

 c'. Hind part of the cheeks and sides of the neck 

 undulated with gi'ey and black narrow bands. 

 e" . L'nderparts of a deep cinnamon colour. 



c'". Under wing-coverts uniform lead-grey . . armata, p. 458. 

 d'". Under wing-coverts lead-grey, undu- 

 lated with whitish ( Taczamncski) leucoyenys, p. 461. 



f. Underparts of a cinnamon colour, lighter 



than in the female of .M. armata turneri, p. 460. 



d'. Hind part of the cheeks and sides of tiie neck 

 like the whole of the underparts, uniform ful- 

 vous Columbiana, p. 462. 



