Vol. II, Pt. I] GIFFORD— BIRDS OF THE GALAPAGOS ISLANDS 89 



MEASUREMENTS OF ADULTS (in millimeters) 



Sula variegata: Peruvian Booby 



Abingdon, Albemarle, Barrington, Bindloe, Brattle, Cham- 

 pion, Charles, Chatham, Cowley, Crossman, Culpepper, 

 Daphne, Duncan, Enderby, Gardner-near-Charles, Gardner - 

 near-Hood, Hood, Indefatigable, islet off northeast James. 

 James, Nameless, Narborough, Seymour, Tower, and Wen- 

 man islands. 



This booby was found pretty commonly throughout the 

 archipelago, and chiefly about the islands on which it bred. 

 It frequented the open sea rather than the sheltered bays, 

 differing in this respect from the Blue-footed Booby. The 

 farthest south we saw it was latitude 3° 39' South, longitude 

 93° r West. Off the coast of Colombia and Ecuador, we 



