118 



ORNITHOLOGISTS' COMPENDIUM. 



z. 





Zone (L. zo'nus), n. A broad band of color, completely encircling the 

 circumference of a body. 



Zoological, a. Pertaining to zoology. 



Zool'ogy, n. The natural history of animals in general. 



Zygodactyly (L.), n. A group of zygodactyle birds comprising the 

 families Rhamphastidce (Toucans), Capitonidce (Barbets), Bucconidoz 

 (Puff-birds), and Galbulidce (Jacamars). In obsolete systems the 

 group was much more extensive, embracing all yoke-footed birds, 

 which are now divided in several distinct groups, e. g., ihePici (Wood- 

 peckers and Wrynecks), Anisodactylce (Motmots, Todies, Kingfishers, 

 etc.), and Coccyges (Cuckoos and Plaintain-eaters. ) 



Zygodac'tyle (L. zygodac'tylus), a. Yoke-toed, or with the toes in pairs, 

 two before and two behind, as in the Woodpeckers, Parrots, etc. Per- 

 taining to the Zygodactyly. 



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