434 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 150 



Description.— Length, 520 to 560 mm. Above dark grayish brown, 

 streaked, particularly on head and neck, with pale cinnamon ; under 

 surface mainly cinnamon to cinnamon-rufous. 



Fig. 69. — Skua, salteador grande, Catharacta skua. 



Measurements (from Murphy, Oceanic Birds S. Amer., vol. 2, 

 1936, p. 1011).— Wing 370-412 (380.4), tail 131-158.4 (144.8), 

 culmen 48.9-56.1 (52), tarsus 60.6-71.5 (67.5) mm. 



