Index. 



423 



viridis, Exocephala, 386 

 vittagenae, Cocconotus, 358 

 v'itticollis, Conocephalus, 372 

 vittipes, Agroecia, 379 

 vulpina, Letharia, 118 

 vulturinus, Lichenochrus, 346, 347 

 Locusta, 346 



"whip-lash," 277 

 Williston, S. W., 114 



Xanthoria lychnea var. pygma^a, 121 



polycarpa, 121 

 Xenica, 286 

 Xenocharax, 96 

 Xerophyllopteryx, 337 

 Xestoptera, 344 

 Xiphelium, 370 

 Xiphidiidae. 285 



zaphiri, Arvicanthis abyssinicus, 23 

 zebrata, Oxyprorella, 300, 301 



