INDEX OF SCIENTIFIC NAxMES 



509 



Vostox, 254 

 Vulpes, 125, 137, 148 

 fidva, 441 



Wormaldia, 233, 234, 236, 237 

 spp., 236 



Xanthippus, 270 

 Xantusia vigilis, 1 74 

 Xenacodon multllalus, 110 

 Xenarlhra, 117 

 Xeracris, 272 

 Xylocrius, 311 

 Xylosteiis, 309, 311 

 Xylotrechus, 306 



insignis, 316 

 Xyrauchen, 201 



texanus, 202 



Yersinia, 292 

 Yersiniops, 292 



Zabirnia, 342 

 Zabuella, 354 

 Zacycloptera, 281, 282 

 Zammodes, 308 

 Zanthoxylum, 305 

 Zanycteris paleocena, 110 

 Zapata, 276 



Zapodidae, 121, 122, 147 

 Zapodinae, 121 

 Za/>/^5, 125, 149 

 Zarf/e.v, 349, 351, 360 

 Zelkova, 67 

 Zelotaea, 353 

 Zerewe, 331, 333, 361 

 Zubovskya, 258, 266-267, 281, 290 

 297 



