57 
change in the nesting-colony composition as well. In April 19^3 the Great 
Frigatebird ( 'Fregata minor ) was, not breeding on Grass Island (Wetxnore^ op . cit.) 
In March 1965 there were J00 to 350 birds roosting.in the Solanum, end 75 to 
? . .. 
100 nests with eggs. - 
. i 
v ■ _ , , W 
/ 
& 
