BIRDS. PALMIPEDES. 53. 54. 



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

 ble : ins yellow : eyelids red : head and neck white : quills dusky. 

 The young are mottled as in the last. 



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

 black at the extremity, the fourth and fifth with a 

 black spot at the tip, the outmost black on the 

 outer-web. 



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



2. Grey, fnowy beneath : head white with brown fpots : neck 

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

 Winter Mew. Er. 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 ha7rl ; 

 head and neck white, with more or lefs a tinge of grey : wing-( averts 

 tipt with white : behind the eyes fometimes a dark grey f^ot: legs 

 dirty-white with a yellowish tinge. 



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

 fcribed by L. W. Dillwyn, diSering in having the bill of equal 

 length, but not halt fo stout : neck the lame breadth : Caddie in- 

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



251. L. t, idactyiua. White, buck and wings grey : out- 

 most qu.lls black on the outer web : tail white : back- 

 a mere knob. 



Kittiwake Er. Zool. t.Sg. Lewiat.zi^. Walcott, 108. 



2. Neck with a dusky Ipot or two: tail tipped with black, ex- 

 cept the outmost feathers. 

 Tarrock. Lewin t, 214. H'alcot. t. icg. 



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



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

 inside : head and neck white : fecondary quill* tipt with black : 

 Ifgs dusky. 



53. PROCELLARIA. Petrel. 



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

 dusky : bill and legs yellowish. 



Fulmar Petrel. Leuiin t. 218. Walcot t. 89. 



About the size of Larus canus. l'.ill much hooked at the end : 

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



253. 'P. fujj<nus. Above black, beneath white: legs 

 dull rulous. 



Shearwater Petrel, Lewin t. 219. Walcot. t. 90. 



Length 15 inches : extent 30 : weight 17 ounces. 



Bill 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. 2-20. Wale. t. 91. 



Length 6 inches : extent 13 : sizeot the Swallow. 



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

 fome of them white at the ends : 3 outer tail-feather* 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. 49. 

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

 Bill and legs red : iris reddish-orange : head an4 upper-part of the 



