122 NATURAL HISTORY [Birds. 



Species 4. The Herring-Gull. 



Will. Orn. 345. Rail Syn. At). 127. Larus fuscus, Lin.Sys. 225. Brit. Zool. 

 421. Brit. Zool. Illus. tab. 79. Jig. 1. 



THE Herring-Gull is found in great numbers in all the 

 rocks of these isles, but in none in greater numbers than in one 

 called the Black-Craig, in which the nests are placed as thick 

 as they can stand on the shelves. These are very large, 

 made of dried grass heaped together, in which it lays its eggs, 

 commonly three in number. 



The young birds of most of the gulls are good eating, and 

 sought after by our rock-men, as well as the eggs of every 

 rock-fowl. 



Species 5. The Brozvn and White Gull. 



Great Gray Gull, the Cornish Wagel, Wil. Orn. 349. Rail Syn. At). 130. La- 

 rus Naevius, Lin. Sys. 225. Brit. Zool. 422. Brit. Zool. Illus. tab. 79. 

 fig. 2. Ore. Scory. 



THIS is the scarcest of the Gull-kind in Orkney, however, 

 it is pretty frequent : commonly seen in the fields in the 

 spring, faithfully attending the swine, with whom it shares 

 the prey which they root for, such as earth-worms, &c. The 

 colour of this is different from any of the rest, being mottled 



