168 cucuLi. 



Older COCCYGES. 



Palate desmognathous ; basipterygoid processes absent ; hallux 

 presentj and connected with the flexor longus hallucis, not with the 

 flexor perforans digitorum, which leads to the second^ third, and fourth 

 digits. Young not passing through a complete downy stage. Spinal 

 feather- tract well defined on the neck. 



Suborder VIII. MUSOPHAGI. 



Palate desmognathous ; feet semi-zygodactyle j plantars galline; 

 spinal feather-tract well defined on neck by lateral bare tracts, but 

 with no interscapular fork. 



There are about 20 species of Plantain-eaters, which are confined 

 to the Ethiopian Region. 



Suborder IX. CUCULI. 



Palate desmognathous ; basipterygoid processes absent ; feet zygo- 

 dactyle ; plantars galline ; oil-gland nude. 



The Cuckoos are an almost cosmopolitan group of birds, and 

 number nearly 200 species. They have been divided into three 

 subfamilies (Beddard, Proc. Zool. Soc. 1885, p. 187), which are more 

 properly regarded as families : — 



Cuculidce, 1 



> Syrinx tracheo-bronchial. 



Accessory femoro-J ^ ■' 



caudal present. ) r< ^ j-j 

 ^ (. Centropodida. 



The Cuculidae is the only family of this suborder which is repre- 

 sented in Japan, 



