THE 



CANADIAN 



NATURALIST AND GEOLOGIST. 



Vol. YIT. DECEMBER, 1862. No. 6. 



ARTICLE XXXlX.— On the Mammals and Birds of the Uis- 

 trict of Montreal. By Archibald Hall, M.D., L.R.C.S.E. 

 (Conclicded from page 316.) 



Order VI. Palmipedes. 



Fam. I. Brachyj^tera. 

 Genus Colymhus. 

 Gen. char. Bill straight, smooth, compressed, and more or less 

 acuminate ; nostrils basal, lateral, linear ; feet more or less com- 

 pletely palmated. 



Suh genus Podiceps. 



Sub gen. char. Bill moderate, robust, straight, hard, compres- 

 sed ; points more or less subulate ; upper mandible furrowed deep- 

 ly and broadly to the centre in which are situated the nostrils 

 which are basal, lateral, and pervious, the posterior half covered by 

 a membrane ; feet situated far back ; the tibia mostly hidden in 

 the body ; tarsus compressed ; front toes depressed, connected at 

 base by a membrane which forms a broad lobe round each toe • 

 hind toe compressed ; nails wide and flattened ; wings short and 

 narrow ; 2nd and 3rd primaries subequal and longest ; tail want- 

 ing, but in its place a small tuft. 



Can. Nat. 26 Vol. VII. 



