The Gull} OF ORKNEY* ]23 



with black, brown, and dirty white ; the larger feathers black ; 

 the bill black ; the legs of a dirty white ; but the colour of 

 the bill is a distinguishing mark in this from all the rest of the 

 gull-kind which are found here. 



Species 6. The Common Gull. 



Common Sea-Mall, WiL Orn. 345. Common Sea- Mall, or Mew, Raii Syn. At. 

 127. Larus Canus, Lin.Sys. 224. Brit. Zool. 424. Brit. Zool. Illus. 23. 

 Ore. White Maw, Sea-Maw. 



THESE are found everywhere; fill the rocks, bays, and 

 harbours in summer, in such a manner as to deafen one with 

 the clang which is among these and others ; so well known as 

 to need no description. 



Species 7. The Tarrock. 



Wil. Orn. 346. Raii Syn. AV. 128. Larus tridactylus, Lin. Sys. 224. Brit. 

 Zool 425. Brit. Zool Illus. 26. tab. 23. Sib. Scot. tab. 16. Jig. 2. Ore. 

 Kittiwake. 



TH [s is the most frequent of the kind in Orkney; cover the 

 whole rocks in summer that at a great distance they appear 

 white with them ; they sit in tiers over one another, as thick 

 as one can press to one another ; often appear at the face of 



