PROC. U. S. NAT. MUS.. VOL. 106 



FRIEDMANN. PLATE 3 



tirowlh of young red-chested cuckoo. Tup: 3 daxs old; first feathers breaking out of 

 tlieir sheaths. Bottom: 19 da\ s old; one da\- before leaving the nest. (Photos by 

 Liversidge.) 



