123 
CLANGULA ALBEOLA. 
Clang. Mas.—Capite colloque atris; macula alba suboculari 
occipite extendente. 
Clang. Fem.—Atra-fusea; alba macula genis. 
SPIRIT DUCK. 
Male duck, with the head and neck black; a white patch extend- 
ing below the eye to the occiput. 
_ Fem.: sooty black duck, with a white patch on each side of the 
head. 
IN IN 
PEI: a iies vod ga on hong oS 16 PATSEI es ones tasegenes 12 
DAL a as oe Shs we Sues vcnl's a Middle toe .. rsccases. 
Male: head and upper part of the neck rich purple-green, with a 
large white patch extending from below the eye to the occiput; back 
and scapulars black; tail and quills hoary black; greater wing coverts 
white; secondaries black, above which is another white patch formed 
by the tertiary coverts; legs and toes orange; webs black; bill lead- 
coloured. : 
Fem.: smaller than the male; head and plumage dark blackish 
brown; the fore part of the neck, side of the breast, flanks, and vent 
feathers blackish grey; breast and belly white, tinged with brownish 
orange; the white band on the ears and occiput much narrower than 
in the male, and obscure; lesser coverts and scapulars blackish brown ; 
bill and feet brownish. 
PEHES UCOLG. oan cece edes te vs puas’ Linn. Syst. 1. 199. 
cS Gmel. Syst. 1. 517. 
Lath. Ind. Orn. 2. 866. 
Anas Bucephala .irccccececcreee Linn. Syst. 1. 200. 
Gmel. Syst. 1. 521. 
Anas hyberna... bed . Briss. Orn. 6. 849. 
Querquedula Ludoviciana.. 2 ee Briss. Orn. 6. 349. 
ANDE TUBILCE > cece car ceceseseseses Linn, Syst. 1. 201. 
Gmel. Syst. 1. 524. 
Sarcelle de la Caroline ........- Buff. Ots. 9. 286. 
Sarcelle blanche et noir ou la 
POMP IURE. Si San sew ca liens Fetes 0 Buff. Ois. 9. 284. 
Petit canard a grosse teté...... Buff. Ois. 9. 249. 
Buffle-headed Duck ..s.c.cssveee Catesb. Carol. 1. pl. 95. 
Penn. Arct. Zool. 2. 489. 
Lath. Gen. Syn, 6. 582. 
