100 



LON (TWINGE I) SWIMMERS. 



slightly tipped with white; prominent white 

 wing bands; bill, crimson-lake; iris and feet, 

 brown; iig. 68. In winter, head white tinged 



Adult Lau^biug Gull in summer. 1-8. 

 Fio-. 69. 



Auuli Lau>iliing Gull iu wiuier. 1-4. 



