133 

 Gen. LXXVI. LARUS. Lin. 



255 sp. * Larus EBURNEUs. z?n. The Ivory-gull. 

 Gavia ehurnea. Boie. 



Nest, in the Arctic regions ; in Baffin's Bay and Davis' Straits. 

 Eggs. ? 



255 a 



255^ 



255 



256 sp. Larus canus, Lin. The common Gull. 



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



Eggs. 3, greyish green, yellowish or brown, clouded with bluish grey, with blotches and 

 pencillings dark brown ; very variable. 



256 <i 



256 3 



256 



