?22 Clarke on Birds from Hudson's Bay. [October 



Ectopistes migratorius. — «, adult male; b, adult female. 



Circus hudsonius. — An immature specimen. 



Accipiter atricapillus. — An adult female. 



Archibuteo lagopus sancti-johannis. — A light colored specimen prac- 

 tically indistinguishable from Scotch examples of Archibuteo lagopus, in 

 immature plumage, in the Edinburgh Museum collection. 



Falco rusticolus gyrfalco. — a, adult female ; b, young male in first 

 plumage. 



Falco peregrinus anatum. — An adult male. 



Falco columbarius. — An adult female. 



Asio accipitrinus. — An adult. 



Bubo virginianus. — An adult. 



Surnia ulula caparoch. — An adult. 



Ceryle alcyon. — An adult male. 



Dryobates villosus leucomelas. — a, adult male ; b, female. 



Picoides americanus. — a, b, c, adult males; d, e, adult females. 



Spyrapicus varius. — An adult female. 



Colaptes auratus. — An adult female. 



Chordeiles virginianus. — An adult female. 



Otocoris alpestris. — a, b, c, d, adults in summer plumage; e, young 

 bird in first plumage. 



Perisoreus canadensis. — An adult. 



Scolecophagus carolinus. — a, adult male in summer plumage ; b, an 

 immature bird. 



Quiscalus quiscula aeneus. — An adult male. 



Pinicola enucleator. — a, b, adult males ; c, male in orange-red plumage; 

 d, adult female. 



Loxia leucoptera. — a, b. c, adult males ; d, e, adult females. 



Acanthis hornemannii. — a, b, adults. 



Plectrophenax nivalis. — Adult female in spring dress. 



Calcarius lapponicus. — a, b, c, adult males in summer plumage; 

 d, e, adult females in summer plumage; f, young bird in first plumage. 



Zonotrichia leucophrys. — An adult. 



Zonotrichia albicollis. — a, adult male; b, adult female. 



Spizella monticola. — a, b, c, d, e, adults. 



Junco hyemalis. — a, b, adults. 



Tachycineta bicolor. — An adult male. 



Lanius borealis. — a, b, adults in summer plumage. 



Dendroica aestiva. — a, b, adult males. 



Dendroica coronata. — a, b, adult males. 



Dendroica striata. — a, an adult male ; b, a young bird in first plumage. 



Dendroica palmarum. — An adult. 



Sitta carolinensis. — An adult female. 



Parus hudsonicus. — a, b, c, d, adults. 



Regulus calendula. — An adult. 



Turdus aliciae. — A'n adult. 



Merula migratoria. — a, b, adults in summer plumage; c, adult with 

 traces of winter plumage. 



