IN'DEX. 



Xenodisous, 156, 267. 

 Xeuoneura, 146, 282. 

 Xiphodon, 882. 

 Xylobius, 151, 286. 



Yak, 379. 

 Yellow-hammer, 70. 



Zalophus, 891. 

 Zamenis, 821. 

 Zanclodon, 160. 

 Zaphrentis, 143, 151. 



435 



Zapus, 858. 



Zaraohis, 845. 



Zebra, 870. 



Zebu, 92. 



Zeuglodon, 844. 



Ziphius, 342, 345. 



Zoarces, 294. 



Zonites, 150, 208. 



Zoological regions, defluition of, 56. 



Zorilla, 890. 



Zygobatis, 300. 



THE END. 



