of the District of Montreal. 311 



basal half of the lower, white ; legs and feet pale flesh colour ; 

 irides hazel ; eggs 5, dull white spotted with brown. 



Dorsal aspect. Crown and nape of neck jet black ; dorsal re- 

 gion to the rump lead colour ; greater and smaller wing coverts 

 black, edged and tipped on their outer vanes with lead colour ; 

 primaries and secondaries blackish brown, edged with lead colour 

 on the outer vanes of all, except the three first primaries, the 1st 

 of which is unmarked in any way, and the two next with a white 

 edging about the centre of their outer vanes ; tail square, the two 

 centre feathers lead colour, the others blackish brown, with a 

 broad white spot ; the outer vane of the lateral feather wholly 

 white. 



Ventral aspect. A line from nostrils over the eye, cheeks, sides 

 of neck, (and here bounded by a black line,) chin, throat, breast, 

 belly, and tail coverts white, vent feathers tinged with rusty 

 colour. 



2nd primary longest ; 3rd next ; 4th next ; and 1st shorter than 

 5th. Length 5j inches ; alar expanse 9^ inches. The young 

 bird is stated to have a lead coloured head. 



S. Canadensis. Red-bellied Nuthatch. 

 S. Canadensis. Baird ! 

 v.s.p. Bill black, with the exception of the basal half of the 

 lower mandible ; legs and feet dusky, greenish yellow ; eggs un- 

 known. 



Dorsal aspect. Crown and nape of neck jet black ; a white 

 line from the nostrils passes over the eye above the auriculars and 

 is lost upon the shoulders ; this is succeeded by a black line from 

 the angle of the mouth and ending in the same place ; auriculars 

 white; dorsal region, rump, scapulars, and wing coverts lead 

 colour ; primaries and secondaries pale brown, faintly margined 

 on their outer vanes with lead colour ; tail short, square ; two 

 central feathers lead colour, the others blackish brown, with a 

 white spot like a bar commencing about the centre of the lateral 

 feathers, and terminating at the tip of the 4th. 



Ventral aspect. Chin white ; throat, breast, and belly, with 

 vent feathers, rusty coloured. 



2nd primary longest ; 1st and 4th equal. Length 4^ inches ;. 

 alar breadth 7^ inches. The young bird with a plumbeous heads 

 Genus Certhia. 

 Gen. char. Bill more or less long, with a greater or less cur- 

 vature, triangular, compressed, slender and acuminate ; nostrih 



