288 



EXPLANATORY INDEX. 



Wood-eating flies, Xylophagites, Xylophagites, an order of Dip- 



an order of Diptera, 225 tera, 225 



Xypbidrites, an order of Hyme- 



Xyelites, an order of Hymenop- nop tera, 241 



tera, 241 



Xyleutites, an ord^r of Lepidop- Yponomeutites, an order of Lepi- 



tera, 213 doptera, 214 



