420 Dr, A, Hall on the Mammals and Birds 



ish green with cinereous borders, the outermost ones striped with 

 white ; short tail coverts brownish white, with a brown streak 

 along the shaft ; long coverts blackish brown on the outer vanes, 

 brownish white on the inner vanes; wing coverts cinereous; pri- 

 maries and tail quills clove brown ; the shafts of the former white, 

 and the outer vanes of the former edged with brownish white ; 

 the two long central feathers blackish green, extending more than 

 two inches beyond the longest of the other feathers of the tail; 

 speculum bronzy green bounded above by ferruginous, and be- 

 low by white. 



Ventral aspect. Chin and upper half of the throat umber 

 brown ; remaining half, breast, and belly white ; sides and flanks 

 white, waved with black like the back ; vent white, minutely 

 sprinkled with grey ; sides of the rump cream white ; tail coverts 

 jet black, half of the outer vanes of the outermost ones white. 



1st primary longest; 2nd subequal ; length 29 inches; alar 

 expanse 36 inches ; length of bill from the frontal feathers, 2 in- 

 ches and 2 lines. In the female the two long tail feathers are 

 wanting, together with the wavy flanks and sides, and the specu- 

 lum wants the bronzy gloss ; her dorsal plumage is brownish 

 black, with a spot on each side of the shaft, with borders of reddish 

 white. The speculum is wholly deficient in the young bird. 

 A. spoma. Wood duck. 



JDendronessa sponsa of Richardson and Swainson ! 

 Aix ^oonsa. Baird ! 



v.s.p. Bill red, a stripe on the ridge, its tip and its margins 

 black; lower mandible wholly black; legs and feet orange ; irides 

 red ; eggs 12 to 13 yellowish white. 



Dorsal aspect. Crown of head and space round the eyes deep 

 sea green ; a stripe from the projecting base of the bill to the 

 crest, and another from above the auriculars to the crest white ; 

 the iridescence from the eye to the crest is bronzy, and on the 

 cheeks purple and reddish purple ; a crescent from the auriculars 

 to the chin, and another on the side of the throat, white, below 

 which crescents the plumage is deep purplish black ; nuchal crest, 

 composed of bronze, deep purple, purplish red, sea green, and 

 white hair like feathers ; interscapulary region and rump bronze ; 

 tail coverts bronzy green, the lateral ones hanging gracefully over 

 the side of the tail in a hair like manner ; short scapulars jet 

 black, with a faint bronzy reflection ; long scapulars half black, 

 and half bronzy green ; long scapulars half black and half purple ; 



