Ki:v 'io 'iiii': w \'ii:k iurds oi' i'i.orida. 



H3 



Family STERCOR A KIID.E. ]Ai.:(;].:ks. 



Stercorarius parasiticus ( adult ). 



SterCDr.irius ]>.u'.isilii us i iminatiiro ). 



Sterrornrius iiarasitirus (foot). 



Central tail feathers elongated in the t\N o following species : 



LeiiL^th. 17 : Wing, i;, : Tail (adult), about S.40; Tail 



(immatuix-), about 6: liill. 1.20. Stercorarius parasiticus. 



Parasitic Jaeger. See page iSy 



Length, 20.50; ^^'i^g, 12.25 : Tail (adult), a])out 12.50; 



immature, alioui 6: isill, i.io. Stercorarius longicaudus. 



Long=tailed Jaeg:er. See page 190 



