656 



GA VI.K. 



LARIDJ;. 



LARID.K. 



Pagophila eburnea (Pbipps*). 

 THE IVORY GULL. 



Larus churneus. 



Paoo?hila, Kaupf. — Bill shorter than the head, robust, compressed, straight, 

 the upper 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 ami serrated ; claws strong and curved ; hind toe 

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

 a well-defined web. 



• Larus eh arncus, Phipps, Voy. towards North Pole, p. 187 (1774). 



+ Natiirl. Syst. pp. 69, 186 (1829) ; from nayos a pointed rock, ami (/uXt'to, 

 I love. 



