418 Dr. A. Hall on the Mammals and Birds 



Dorsal aspect. Crown of head, cheeks, and sides of the neck 

 glossy cbesnut; encircling the eye and proceeding backwards 

 from it a glossy emerald green band bordered inferiorly by black, 

 and then faintly with white ; nuchal crest indigo blue ; lower 

 part of the neck white, elegantly waved with fine lines of brown- 

 ish black ; interscapulary region and rump pale brown or ash, 

 finely waved with white near the tips of the feathers ; long sca- 

 pulars and small wing coverts ash colour, outer ones bordered on 

 their outer vanes with jet black ; short scapulars finely waved with 

 white and blackish brown ; tail coverts black, margined with cream 

 colour, the lateral ones having a deep purple iridescence ; quills of 

 the tail and primaries dusky, the former having pale edges ; spe- 

 culum glossy grass green, bounded superiorly by brownish white, 

 inferiorly by white, and on either side by jet black ; the shoulder 

 "with a crescentic white band. 



Ventral aspect. Chin brownish black, remainder of the throat 

 halfchesnut and half white, waved with brownish black ; breast 

 wood-brown with semi-orbicular black spots ; belly and vent 

 white glossed with wood-brown ; sides and flanks white, waved 

 with blackish brown ; lateral tail coverts white, glossed with wood 

 brown, central ones jet black, the long ones of which are edged 

 with white. 



1st primary longest, 2nd subequal to it, the rest are graduated 

 in respective lengths ; length 15j inches ; alar expanse 23 inches ; 

 length of bill from frontal feathers 1 inch aiid 4 lines; length of 

 middle toe, nail, and tarsus 2 J inches. 



The female wants the crest, the brilliant colours on the head, 

 the stripes on the scapulars, the black under tail coverts, the or- 

 bicular spots on the breast, and the wavy markings on the back 

 and sides. In lieu of which her dorsal aspect is liver brown with 

 pale margins, and her chin and belly white, the latter marked 

 with brown. (Nuttall.) 



A. Americana. American Widgeon. 

 Mareca Americana. 

 Mareca Americana. Baird ! 



v.s.p. Bill bluish grey on the upper mandible, which is tipped 

 with black ; lower mandible wholly black ; legs and feet red ; 

 irides hazel ; eggs 6 to 8. 



Dorsal aspect. Front and crown to the occiput white ; a patch 

 on the side of the head, including the orbits, and proceeding back- 

 wards to the nuchal crest, black, with a bronzy and sea green 



