AVES 

 Fig. 224. 



425 



Fig. 224. Arctic three-toed Woodpecker. From U. S. Dept, Agriculture, "North American 



Fauna." 



Fig. 225. 



Fig. 225. Yellow-billed Cuckoo (Coccycus americanus americanus). Adult male. Photographed 

 from life by Dr. R. W. Shuteldt. 



Question on the figure. — What are the nearest relatives of the cuckoos among 

 the birds? 



