BIRDS. PALMIPEDES. 49. 50. 6T 



Little Auk. Br. ZooL t. 82. Lewin t. 224. Walcot t. 88. 



Length 9 inches : weight about 4 ounces. 



/?/'# black ; the whole of the head, chin, threat, and neck foinctimcs 

 black. 



49. URIA. Guillemot. 



231. U. TroVe. Blackish-brown, breast and belly white: 

 secondary c|uill-feathers tipf with white. 



Foolish Guillemot. Lewin t. 221. Dor.ou. t. 28. Walcot t.g6. 



2. Cody fpotted with white. Br. Zool. t. 83. 



Lmgth 17 inches : extent 27: weight 25 ounces. 



Bill black, 3 inches long : iris dusky: from the eyes a dusky 

 streak pointing backwards: sides with a few dusky streaks : U"t 

 dusky. 



$32. U. minor. Black-brown, c'leeks and all beneath 

 whi'e ; secondary quill-feathers tipt with white. 



Lesser Guillemot. Br. Zol. t. 83. /. i. 



Length a^ont 16 inches : weight 18 or 19 ounces. 



Diff rs from the last, of which it is probably only the younger 

 bird, iu having the cheeks, throat, and all underneath white. 



$33. U. Grii!'. Block, wing-cover's wlufe : legs red. 



Black Guillemot. Lewin t. 222. Walcot t. 99. 



Lfngth 14 inches : extent 22 : weight 14 ounces. 



Bill black: mouth yellow-red Within: wings with a white fpot, 

 vrhich is fpottc-d in the young bird; the fecondary quilU tipt 

 with white. 



50. COLYMBUS. Diver. 



234. C. glacialis. Head and neck violet-black : back 

 and wings spotted with white : throat and hind-part 

 of the neck with a white crescent. 



Northern Diver. Br. Zool. t. 84. Lewin, t. 227. Donov. t. 58. 



Length 3 feet 5 : extent 4 feet 8 : weight 12-14 pounds. 



Bill dusky, 4 inches and a half long ; iris purplish : head and neck 

 glossy changeable black : sides of the breast with black lines: back 

 Jcapulars and wing-coverts black with white oblong or round fpots : 

 breast and belly white : quills and tail black : legs black. 



235. G. immer. Above blackish-brown with paler undu- 

 lations, beneath entirely white. 



Jmber Diver. Br. Zool. t. 84. Lewin. t. 228. Donov. t. 99. 



Length 2 feet 7 : extent 4 feet 9 : larger than a goose. 



Bill 4 inches long, dark olive : iris hazel : head and nape brown : 

 front, sides of the neck and cheeks fperkled with brown: back and 

 wings dark tawny-brown with paler undulate lines : legs dusky. 



236. O. stellatus. Dusky with oval white spots,, beneath 

 white : head and forepart of the neck speckled with 

 grey : feathers at the sides fringed with greyish- 

 white. 



Speckled Diver, Loon. Lew in t. 229. Walcot t. 161. 



Length 27 inches : extent 3 feet 9 : weight near 4 pounds. . 



Bill pale horn-colour : iris yellowish-brown : back part of the 

 neck plain dusky-brown : quills and tail dujky : sides with dusky 

 streaks : legs dusky, greenish-grey inside. 



237. C. arcticus. Head grey : fore- part of the neck 

 violet-black with a short white band, the sides with 

 black and white lines : scapulars and coverts with 

 white spots. 



Hack-throated Diver. Pr, Zool, t, 83. Lewin t, 230* 



