544 



LARUS ARGENTATUS. THE HERRING GULL. 



SILVERY GULL. 



Larus argentatus. Gmel. Linn. Syst. Nat. I. 600. 



Larus niarinus. Var. B. Lath. Ind. Ornith. IL 814. 



Herring Gull. Mont. Ornith. Diet. 



Goelaud a manteau bleu. Larus argentatus. Tcnim. Man. d'Ornith. IL 



764. 

 Herring Gull. Larus argentatus. Selby, lUust. IL 504. 

 Larus argentatus. Jen. Brit. Vert. Anim. 276. 

 Larus argentatus. Temm. Man. d'Ornith. 63. 



Bill two inches and a fourth along the ridge, ichich is 

 much decurved toward the end, nine-tic elf ths high at the 

 angle, lohich is proininent ; tarsus two inches and a half 

 long ; tvings stirpassing the tail by an itich and a half 

 Adult in winter with the bill yellow ; the lower mandible with 

 an orange-red patch toward the end ; the margins of the 

 eyelids yellow ; the feet flesh-coloured ; the back and wings 

 light bluish-grey , very slightly tinged xoith purple ; the qudls 

 largely tipped with tvhite, the outer six in part black, two of 

 them with a large lohite spot toward the end ; the head and 

 hind-neck white, with light broxon streaks ; all the other jiarts 

 pure white. In summer the bill pure yellow ; the patch on 

 the lower 7nandible bright orange, inclining to carmine ; mar- 

 gins of eyelids yellow ; the head and neck pure white ; the 

 other parts as in winter. Yotcng toith the bill broicnish- 

 hlack, paler at the base of the lower mandible ; edges of eye- 

 lids dusky ; feet purplish flesh-colour ; head and neck greyish- 

 lohite, streaked icith greyish-brown ; loicer parts greyish- 

 lohite, spotted with greyish-broion ; upper parts variegated 

 with dark greyish-brown and broxcnish-ichite , the feathers being 

 margined with the latter ; the quills greyish-black, as is the 

 tail, unless at the base, where it is barred tcith tvhite. 



