10 BIRDS. PALMIPEDES. 53. 54. 



Bill yellow, with an orange or black fpot on the lower mandi* 

 ble : iris yellow : eyelids red : head arid neck white : quills dusky. 

 The young are mottled as in the last. 



250. L. cunus. White, back and wings grey : first quills 

 black at the extremity, the fourth and iifth with a 

 black spot at the tip, the outmost black on the 

 outer-web. 



Common Gull. Sea Mew. Br. Zool. t. 89. Lewin t. 216. 



2. Grey, fnowy beneath : he;>ri white with brown fpots : neck 

 brown above : wings variegated : tail white with a black band. 

 Winter Mew. br. Zool. t. 86. Lewin t. 21 1. Donovan t. 77. 



Length 18 inches : extent 3 feet 8 : weight about a pound. 



Bill pale yellow or greenish, with a dusky point : iris hazel : 

 head ^nd neck white, with more or lefs a tinge of grey : wing-coverts 

 ti'pt with white : behind the eyes fomctimes a durk grey ipot u legs 

 dirty-white with a yellowish tinge. 



A variety, or probably a new species, has been ta! en and de« 

 fcri'ocd by L. W. DUhvyn, dilfering in having the bill of equal 

 length, but not naif lo stout : neck the lame breadth : saddle in- 

 ternally twice as broad ; and ihe gizzard twice as large. 



251. h. tndactylus. White, back ana wings grey: out- 

 most quills black on the ouier web : tail white : back- 

 a meie knob. 



Kittiwake It. 2'ool. f.89. Le-ivin t.215. Walcott. ic8. 



2. Neck with a dusky fpot or two: tail tipped with black, ex* 

 cept the outmost feathers. 

 Tarrock. Lewin. t, 214. Wolcot. t. 109. 



Length 15 inches : extent 3 feet: weight 7 cr 8 ounces. 



Bill greenish-yellow or dusky : iris dusky : mouth orange on the 

 inside : head and neck white : fecondary quills tipt with black : 

 legs dusky. 



53. PROCELLARIA. Petrel. 



252. P. glatialis. White, back and wings grey : quills 

 dusky : bill and legs yellowish. 



Fulmar Petrel. Lewin t. 218. Walcot i. 89. 



About the size of Larus canus. Bill much hooked at the end: 

 nostrils placed both in one cylinder : back-toe a mere fpur. 



253. P. Fajuius. Above black, beneath white: legs 

 dull rufous. 



Shearwater Petrel. Lewin t. 219. IValcot. t. 90. 



Length 15 inches : extent 30 : weight 17 ounces. 



2?*'// yellowish, with a dusky point: head and upper-part of "the 

 body black ; chin to the vent white : legs pale before, rufous 

 behind. 



254. P. pelagica. Body black, rump and vent white. 



Stormy Petrel. Br. Zool. t. 91. Lewin t. 2?o. Wale. t. 91. 



Length 6 inches : extent 13 : size of the Swallow. 



Bill and legs black : body beneath rusty-brown : fecondary quills 

 feme of them white at the ends : 3 outer tail-feathers, whitish at 

 the bafe. 



54. MERGUS. Merganser. 



255. M, Merganser. Slightly crested, white; head, upper 

 part of the neck and back, and quills glossy-black : 

 tail grey. 



Goofander. Br. Zool. t. 92. Lewin t. 232. Donov.t. \g. 

 Length 2 feet 4 : extent 3 feet : weight 4 pounds. 

 Bill and legs red : iris reddish-orange : head and upper-part -of the 



