COLYMBID^. 
369 
ClanguijA, Flem. Bill ele- 
vated at the base, short, 
compressed; the tip rounded 
and contracted. Nostrils 
nearly 'central. Wings very 
short. 
vulgaris. Sel. pi. 62. (Jig. 335.) 
Habalda, Ray. Bill short, cylindrical; the base not 
elevated ; slightly narrowed towards the tip. Upper 
lamina remote, and rather projecting. Nostrils basal, 
large ; the aperture long, oval. Tail cuneated. The 
two midde feathers very long. Probably enters the 
next subfamily. 
H. glacialis. Edwards, pi. 1 .56. Selby, pi. 61. 
SoEFAM. MERGANIDiE. Mergansers. 
Bill long, narrow ; the tip abruptly hooked. Fissi- 
rostral. 
Mebgus, Linn. (fig. .336,) BiU straight, slender, wide 
at the base, cylin- 
drical beyond ; the 
tip abruptly hooked: 
the margins of both 
mandibles serrated. 
Feet short, placed 
behind the equiUbrium. Toes fuUy palmated. 
M. merganser. Selby, pi. 57. 
Family COLYMBID.®. Grebes. 
Bill more or less conic. Feet with the toes partly 
webbed and partly pinnated. Tarsus compressed. 
PoDiCErs, Latham. Bill long, conic, very straight, 
acutely pointed. Nostrils in the middle of the nasal 
groove. Tail none. 
p. rubricollis. Selby, pi. 72. cristatus. Ib. pi. 53. f. 1.2. 
Dasyptilus, Sw. Bill short, strong: the culmen 
arched; the tip bent. Under mandible with the 
VOL. II. B 1* 
