130 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



EXPLANATION OF PLATE VI 

 Fig. 1. Fregata aquila on nest (pp. 100-104). Hood Island; June 25, 1906. 

 Fig. 2. Fregata aquila on nest (pp. 100-104). Hood Island; June 25, 1906. 



