INDEX. 



_ M . PAGE 



auletes, 1 ibicen ............................................. 32g 



aurifera, Tibicen ................................ 32j 



bella, Okanagana ...................................... 347 



bifidus, Tibicen ....................................... ..315 



calliope, Melampsalta .................................. 350 



cassinii, var. Tibicina septendecim ........................ 345 



Cicada ........................................... ............. 338 



hieroglyphica ............................................... 338 



Cicadidae ....................................................... 309 



Cicadinse ....................................................... 338 



Key to genera ............................................... 338 



dealbata, Tibicen ................................................ 333 



dorsata, Tibicen ................................................. 328 



eugraphica, Tibicen ...................................... 



Explanation of plates ......................................... 



hejperius, Tibicinoides ........................................... 349 



hieroglyphica, Cicada .................. .......................... 3S8 



linnei, Tibicen ................................................... 320 



lyricen, Tibicen ................................................. 323 



marginalis, Tibicen .............................................. 331 



Melampsalta ............................................. . ...... 350 



calliope ...................... 



Okanagana ..................................................... 345 



bella ....................................................... 347 



Key to species ............................................. 



synodica .................................................. ^45 



Proarna ................................................ 



venosa ............................................. 



pruinosa, Tibicen ................................................ 318 



resh, Tibicen ........................................... 320 



resonans, Tibicen ............................ 



septendecim, Tibicina ..................................... 



Subfamilies, Key to ................................ 



superba, Tibicen ................. 



synodica, Okanagana ............................................ 34o 



Tibicen 



auletes ...................... 



aurifera ................................................. 



bifidus ............................................ 



dealbata ...................... 



dorsata .......................... 



eugraphica 



Key to species 



linnei ............................... 



323 



.................. 



marginalis ....................... 



pruinosa 



rocV> 



resn ................................ 



resonans ...................... 



superba ............... 



vitripennis .............. 



Tibiceninse ..................... 



Tibicina ......................... 



septendecim ...... 



septendecim var. cassinii 



(375) 



