248 • Natural History Bulletin. 



sonian Institution; and Roderick Ross MacFarlane, Esq., of 

 the Hudson's Bay Company, has published a valuable paper 

 on the '■'•Land and Sea Birds nesting within the Arctic Circle^^ 

 published by the Historical and Scientific Society of Manitoba. 

 Transaction 39; season '8S-9. The region treated of in the 

 present report is situated between the two regions included in 

 the publications above referred to. 



Order PYGOPODES. Diving Birds. 



Family podicipid.e. Grebes. 



CoLYMBUs AURiTus Linn. Horned Grebe. Common at 

 Chemawawin, where it was associated with the pied grebe. 

 The male did not have the prominent ear tufts characteristic 

 of this species, but the rufous streaks on the sides of neck 

 formed a conspicuous marking. 



Description of summer plumage: Head below post ocular 

 stripe ashy, darkening above and lightening below, where 

 there is a sharp line of demarcation with ihe cinnamon of the 

 fore-neck; stripe from base of upper mandible over eye nearly 

 to occiput, yellowish brown; top of head and hind neck, sooty 

 brown; back sooty black; front of neck, fore breast and sides 

 of body cinnamon; rest of under parts white. A phase of 

 coloration not described in works to which I have access. 



Young of the year: abov^^ sooty brov^m; head sooty black 

 on top, streaked with white and brown on sides; cheek, chin 

 and throat pure white; neck soot}^ black behind, light gray or 

 ashy in front, the slightest possible indication of cinnamon 

 on sides; under parts silvery white; bill dusk}^ above for three- 

 fourths its length, the terminal portion of both mandibles 

 being whitish, the upper with a sub'erminal dusky band; 

 sides of lower mandible dusky above, yellow below. 



Breeding in an open pond near the river, opposite Chema- 

 wawin. Habits much the same as those of the pied grebe. 

 Iris bright red, surrounded by a white ring. Breeds within 

 the Arctic Circle. (MacFarlane.) 



Three specimens secured, i _% i ?, 1 j'nv. 



