Ord : XV. 

 Palmi- 



132 

 Gen. LXXVL LARUS. l; 



253 sp. Larus marinus. Lin. The great black -backed Gull. 



Nest. June, on inaccessible rocks and cliffs, in North Britain. 



Egsjs. 3, light olive-brown, or yellowish grey, spotted and blotched sparingly with grey ai 

 dark brown ; in general, of a lighter tint than the eggs of the preceding species. 



253 « 



253* 



253 c 



254 sp. Larus flavipes. Tem. The lesser black-backed GulL 



„ fuSCUS. Lin. 



Nest. June, on rocks or on the ground, on the sea-shore. 



Eggs. 2-3, light green, or yellowish olive brown, with patches of grey, and spots or 



, blotches dark olive-brown ; very variable. 



254 G 



254 5 



254 



