296 The University Science Bulletin. 



Jassus PAGE 



olitorius 258 



jucunda, Aligia 240 



Kolla 232 



bifida 232 



geometrica 232 



hartii 233 



lateralis, Oncometopia 230 



lineatus, Hecaliis 239 



livingstoni, Empoasca 262 



longulus, Thamnotettix 257 



Macropsis 227 



suturalis 227 



viridis 227 



mali, Empoasca 263 



Memnonia 



consobrina 238 



Mesamia 241 



straminea 241 



vitellina 241 



Methods 223 



mexicana, Spangbergiella 240 



miscellus, Bythoscopus 229 



mollipes, Drseculacephala 234 



montanus, Errhomenellus 236 



Nephotettix 



curtipennis 248 



nervatus, Idiocerus 225 



noveboracensis, Drseculacephala 235 



novella, Agalliopsis 224 



obtusa, Empoasca 262 



octo-lineata, Gypona 237 



olitorius, Jassus 258 



Oncometopia 229 



lateralis 230 



undata 229 



Oncopsis 



distinctus ' 228 



Oviposition .' 220 



Ovipositor 



Description of 220 



Taxonomic use of 222 



Pagaronia 



tripunctata 236 



pallidus, Idiocerus 225 



Parabolocratus 



flavidus 240 



parvulus, Deltocephalus 247 



pectoralis, Gypona 237 





