C^ULLS 



103 



narrowly margined with black outwardly 

 and more broadly at tip; tail and beneath, 



Fig. 72. 





Bonaparte Gull, first year. 1-5 



white; bill, black, feet, yellow, fig 71 upper; 

 in winter white with dunky spot back of eye; 

 young differs in having wing black margined 

 all around excepting near bend, ^g 72, thus 

 differing from the young Kittiwake which 

 has wing black margined all around fig. 63*, 



