INDEX AND GLOSSARY. 



70I 



Xanthidia nicippe, 386 

 Xenos, 590 



Xylocopa virginica, 670 

 Xylophagus, 457, 458 



Yeast-cakes, 236 

 Yellow-bear, 322 

 Yellows, 385 

 Yucca, 367 

 Yucca-borer, 367 



Zaitha, 132 

 Zebra Caterpillar, 305 

 Zebra Swallow-tail, 379 

 Zerene caesonia, 386 

 Zeuzera pyrina, 223 

 Zimmermann's Pine-pest, 236 

 Zoological classification, 1 

 Zoological nomenclature, 5 

 Zygsenidae, 326 

 Zygaenids, 326 



