656 



GA VnE. 



LARID.E. 



LARIDJi. 



Pagophila eburnea (Phipps*). 

 THE IVORY GULL. 



Larus ehurncua. 



Pagophila, Kaup\. — Bill shorter than the head, robust, compressed, straight, 

 the npper mandible decurved towards the tip, lower mandible narrower ; nostrils 

 basal, linear, oblong, wider in front, covered above and behind with a sloping 

 thin-edged plate. Wings long, pointed, the first quill longest. Tail rather long, 

 slightly graduated. Legs short, bare for a short distance above the tibia ; tarsi 

 broadly scutellate in front, and minutely at the sides and back ; interdigital 

 membranes emarginated and serrated ; claws strong and curved ; hind toe 

 furnished with a large claw, and connected on the inside wiili the tarsus by 

 a well-defined web. 



• Larus charncus, Phipps, Voy. towards North Po'e, p. 1S7 (1774). 



+ Natiirl. Syst. pp. 69, 18(5 (1829) ; from Trnyos a pointed rock, and (/itXeo), 

 I love. 



