APPENDIX 361 



parts and sides of breast yellowish brown ; abdomen and flanks 

 black ; bill red ; legs and feet flesh color. Length, 19 in. 



Female. — Resembles male. 



Hub. — Southwestern States nearest Mexico ; south through Mex- 

 ico to South America. 



34. Canvas-back. — Aristonetta valisneria. 



Head dark chestnut red, black on top ; upper part of back, chest, 

 rump, upper and lower tail coverts black ; back and sides white, with 

 narrow waved black lines which give back gray or canvas appearance, 

 similar to that of redhead, only waved black lines in latter are wider, 

 causing back to appear darker ; bill black and sloping gradually from 

 outline of head ; legs and feet gray ; tail black. Length, 20 in. 



Female. — Head, neck, chest, and upper part of back dark brownish- 

 red, darkest on top ; rest of back and sides dark brown ; bill and feet 

 same as male. 



Hab. — North America. Breeds in Northern United States. 



35. Ringed-neck Duck. — Fuligula collaris. 



Similar to lesser scaup (No. 38), excepting a more or less well-de- 

 fined chestnut red collar or ring around middle of neck. Length about 

 17^ in. Intermediate in size between scaup and lesser scaup. 



Hab. — North America. Breeds in Northern United States. 



36. Labrador Duck. — Camptolcemus labradorius. 

 Pied Duck. 



Centre of crown black ; rest of head, throat, and upper neck white ; 

 back black ; wing white except primaries fuscous ; front and sides of 

 upper breast white ; lower breast and belly black. Length, 20 in. ; 

 wing, %% in. 



Hab. — Formerly North Atlantic Coast, breeding from Labrador 

 northward, and in winter migrating southward to Long Island ; doubt- 

 less now extinct. 



Formerly not unusual to see them in Fulton Market, New York. 

 The cause of this duck's extinction is unknown. — Chapman. See also 

 paper on this species. The Auk, Vol. VIII. (1891), pp. 201-16. 



37. Scaup Duck. — Fuligula marila. 

 Blue-bill. 



Black-head. 



Head, neck, foreparts of back, and chest black, with green reflec- 

 tions on head and neck; lower back, rump, upper and lower tail cov- 



