650 



GA VLE. 



LARID.E. 



LARID.F.. 



KiSSA TEIDACTYLA (LiunffiUS*). 



THE KITTIWAKE GULL. 



Larus tridactyliis. 



RissA, Stcphcns-f. — Bill rather short and stout, the upper mandible consider- 

 ably decurved to the til), the lower mandible compressed, with the intercrural 

 space long and narrow ; nostrils median, linear, oblong. Wings long, pointed, the 

 first primary slightly exceeding the second. Tail slightly but perceptibly forked 

 in the young : nearly square in the adult; tarsus very short in proportion to tbe 

 foot ; hind loe very small and usually obsolete ; claws rather small, slightly curved. 



The Kittiwake is a Gull which is generally distributed 

 on the shores of the British Islands, and remains with us 

 in larger or smaller numbers throughout the year. Of 



■' Larm triclacfi/lus, Linnreus, Syst. Nat. Ed. 12, i. p. 224 (1766). 

 t Stephens, ex Leach, in Shaw's Gen. Zool. xiii. pt. i. p. 180 (1825). 



