Class II. BLACK THROATED DIVER. 527 



feet five inches. The head fmall and taper : the 

 bill ft rait, and lefs ftrong : the fize about a fourth 

 iefs than the preceding. The head and chin are 

 of a fine uniform grey : the hind part of the neck 

 marked with dufky and white lines, pointing down- 

 wards : the throat is of a dull red : the whole up- 

 per part of the body, tail and wings of a deep grey 

 almoft dufky ; but the coverts of the wings, and 

 the. back, are marked with a few white fpots : 

 the under fide of the body white : the legs dufky. 



Lumme. TVorm. Muf. Brun- Colymbus arfticus. Lin, fyft. 241. Black; 



nich, No. 133. 221. Faun. Suec. No. throated. 



Northern Doucker. WiL om. Speckled Diver. Ediv. 146. 



343. Rati fyn. civ. 125. 



A SPECIES fomewhat larger than the laft. 

 Bill black : front black : hind part of the 

 head and neck cinereous : fides of the neck mark- 

 ed with black and white lines pointing downwards : 

 fore part of a glofty variable black, purple and 

 green. 



Back, fcapulars, and coverts of wings black, 

 marked (the two firft with fquare) the laft with 

 round fpots of white : quil feathers dufky : breaft 

 and belly white. Tail fhort and black : legs partly 

 dufky, partly reddifh, 



BILL 



