Petea re: EXXVIL 
COLYMBUS SEPTENTRIONALIS. 
RED THROATED DIVER. 
ANSERES. 
Bill obtufe, covered with a thin membrane, broad, gibbous below 
the bafe, fwelled at the apex. Tongue flefhy. Legs naked. Feet 
webbed, or finned. 
GENERIC CHARACTER. 
Bill ftrait, pointed. Upper mandible longeft ; edges of each bend- 
ingin. Nboftrils linear. ‘Tongue pointed, ferrated near the bafe. 
Legs thin, flat. Exterior toe longeft: back toe joined to the inte- 
“rior by a fmall membrane. Tail fhort, and confifts of twenty 
feathers. 
SPECIFIC CHARACTER 
: AND 
SYNONYMS. 
Above dufky, marked with a few white fpots. Beneath white. 
Throat dull red. 
Cotymeus Seprentrionatis. Linm Syft. x. p. 220. 3. 
Colymbus aréticus collo rufo. Ar. Nidr. L, p. 244. b. 2. fig. 2. 
Rep 
