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INDEX. 



Yak, 641. 

 Yama-mai moth, 272. 



Yellow bear, 668. 

 Yellow- crested cocka- 

 too, 529. 



Zebra, 626. 

 Zebra-wolf, 582. 



f Zebu, 641. 

 Zoea, 125, 147. 

 Zoophytes, 17. 



