PERNIS PTILONORHYNCHUS. 93 



majority of which leave their nests when they are approached. The eggs are two in number as a rule ; hut 

 some nests have been found only to contain one. They are round in shape, of a " whitish pinkish-white or 

 huffy-yellow " ground-colour, and vary much in the character of their markings, although they are usually 

 very highly coloured with blotches and clouds of reddish or purplish brown and dark red, sometimes quite 

 confluent round one end. They average 2'03 inches in length by T72 in breadth. 



Subfam. FALCONING. 



"Outer toe only connected to the middle toe by interdigital membrane; tibia much longer 

 than tarsus, but the latter not contained twice in the former ; hinder aspect of tarsus reticulate ; 

 bill distinctly toothed." (Sharpe, Cat. Birds, i. p. 350.) 



