3S4 



INDEX TO CHAPTER XU. 



Page. 



White IVIountains, 



Distribntion of insects in, 336-342 ; 

 physical features of, 337, 342, 343 ; 

 limits of trees on, 33S ; alpine and 



sub-alpine zones of, 33S, 336 ; rela- 

 tion of insects to those of Labra- 

 dor, 339-341 ; butterflies of, 339. 

 340, 344, 354 ; Orthoptera of, 339, 

 340, 374 ; mountain region of, 341 ; 

 comparison with the Alps in phys- 

 ical features, 342, 343 : in insects, 



xanthoptera, Arphia 

 Xiphidiiun brevipenne. . 

 " fasciatum. 



343 



377 

 368 

 368 



Zabulon, Atrytone .... 361 

 Zones of life in the White IMoun- 



tains, . . • . . . 339-342 

 Zoological areas in North America, . 332 



