LONG-TAILED SKUA 467 



AVERAGE MEASUREMENTS. 



TOTAL LENGTH ... ... ... 23 in. 1 



WING 11-9 



BEAK 1'5 ,, 



TARSO-METATARSUS ... ... T8 ,, 



EGG 2 x 1-5 in. 



1 Including the long tail-feathers, which may project 8'5 in. in the 

 male, and 7 in. in the female. 



