BIRDS OF N I-: >V V O R Iv 



Memoir 12 N. Y. State Museum 



Plate 4 





POMARINE JAEGER Stcrmrari lis ifinuat'iim^ i'i'emxmnvk) parasiTiC JAEGER Stti'vorarnts inirafiHicus (Linnaeus) 

 LONG-TAILED JAEGER SI ercorariuii linigicaiiflus XifiWUit dark phase 



ADULT INTERMEDIATE LIGHT PHASE 



IMMATURE S. inmisiticua SKUA Mojalf^itris shua (Rriinnieb) 



All I p.at. size 



