3t52 AXATID.E. 



Nvroca affiiiis, A. Sf E. Newt. Handb. Jam. p. 113 (1881). 



Aythya affinis, Stejn. Bull. U.S. Nat. Mus. no. 29, p. 161 (ISSo) ; A. 



O. U. Check-list N. Am. B. p. 119, n. 149 (1886) ; Nelson, Nat. 



Hist. Coll. in Alaska, p. 71 (1887); Ridgtc. Man. N. Am. B. 



p. 103 (1887) ; Cory, Auk, 1888, p. 65 ; Hatch, B. of Minnes. p. 60 



(189l>); Chapm. Bull. Am. Mus. N. H. ri. p." 83 (Trinidad) 



(1894) ; Mnckny, Auk, 1894, p. 225. 

 Fuligula luarila, var. af&nis, Dubois, Faun. Vert. Belg., Ois. ii. 



p. 468 (1892). 



Hybrid. 



Fuligula affinis X F. valisneria or F. americana, Elliot, P. Z. S. 1859, 

 p. 437; A. Newt. P. Z. S. 1859, p. 337. 



Adult male. Similar to that of F. marila, but much smaller, the 

 black of head and neck glossed with purple instead of green ; the 

 back darker, the black markings on the white ground being coarser 

 and broader ; the upper wing-coverts much less verraiculated with 

 white ; the barring on the sides more distinct, and the longer 

 feathers of the flanks pale brown, vermiculated with black; the 

 under tail-coverts whitish, but the lateral ones with a rufous tinge, 

 all verraiculated with blackish bars ; primaries blackish, without 

 whitish on the inner web, the latter being only a trifle paler than 

 the rest of the quills : bill blue, nail black. Total length about 16 

 inches, wing 8"2, tail 2-5, culmen 1'75, tarsus 1"15. 



Female. Similar to that of F. marila, but smaller, the white on 

 the fore part of the head and chin more restricted ; the white and 

 brown barrings on the back and scapulars coarser ; the pale brown 

 on the breast paler and not so distinctlj- defined from the white of 

 the underparts ; barrings on the sides and flanks coarser. 



Hah. North America in general, breeding northward, south in 

 winter to Guatemala and West Indies. 



a. c? ad. sk. 



b. (J juv. sk. 



c. S ad. sk. 



d. c? ad. sk. 

 c. S ad. ak. 

 /. c? ad. sk. 



ff. 2 ad. st. 



h. S ad. sk. 



i, k,l. J $ ad.sk. 



m. (5 ad. st. 



n. c? ad. sk. 



o. J imm. sk. 



p z. c? ? ad. et 

 juv. sk. 



Vancouver's Island. 

 No locality. 

 N. America. 



N. America? 



N. America. 



N. America {H. W. Hen- 



shaid) . 

 North Land Exp. 



Canada. 



49th Parallel. 



Rocky River, Ohio. 



Riverdale, Illinois, March 

 {E. W. Nelson). 



Weaverville, N. California, 

 April. 



Corpus Christi, Texas, Jan., 

 Oct., Dec. [F. B. Arm- 

 sir ony). 



Salvin-Godman Coll. 

 Earl of Derby [P.]. 

 Eyton Coll. (Type 



of the species.) 

 Hume Coll. 

 Lord Ampthill [P.]. 

 Salvin-Godman Coll. 



Capt. Sir G. Back 



Government of 



Canada [P.]. 

 N. Amer. Boundary 



Comm. [C.]. 

 Prof. J. P. Kirtland 



[P.]. 

 Salvin-Godman Coll. 



Salvin-Godman Coll. 



Salviu-Godmau Coll. 



