CuAss II. 
NORTHERN DIVER. 
GENUS XIX. DIVER. 
BILL strong, strait, pointed. Upper mandible 
longest; edges of each bending in. 
NostRrits linear. 
ToncuE pointed, long, serrated near the base. 
Lees thin and flat. 
Tors, exterior the longest; back toe rained to 
the interior by a small membrane. 
Tait short, consisting of twenty feathers. 
Colymbus glacialis. C. capite 
colloque nigro-violaceo, fas- 
cia gule cervicisque alba in- 
terrupta. Lath. Ind. orn. 
799. id. Syn. vi. 337. 
Clusius’s. Wil. orn. 342. 
Rai Syn, av. 125. 
Mergus maximus Farrensis, 
sive Arcticus. Clusiw exot. 
102. 
Colymbus maximus stellatus 
nostras. Szb. hist. Scot. 20. 
_ Lab. 15. 
PN 
= 
Le grand Plongeon tacheté. 
Brisson av. vi. 120. Tab. 11. 
, Jig. 1. Hist. Pots. viii. 258. 
Pl. Enl, 952. 
Colymbus glacialis. Gm. Lan. 
588. 
Norvegis Brusen. Groenlandis 
Tiulik. Brunnich, orn. 134. 
Grosse Halb-Ente, Meer- 
Neering. Frisch, ii. 185. A. 
Br. Zool. 139. K. 2. Arct. 
Zool. ii. 232. 
Tue length of this species is three feet five 
‘inches; its breadth four feet eight. The bill to 
the corners of the mouth is four inches long, black 
and strongly formed. ‘The head and neck are 
of a deep black; the hind part of the latter is 
165 
1. Nortu- 
ERN. 
DEscriP- 
TION. 
