INDEX. 319 



PAGE 



Idiocerus duzei 95 



lachrymalis 95 



pallidus 93 



provancheri 05 



situralis 95 



Inbreeding, data on measuremen't . 225 



and relationship coefficients 233 



Insects attacking the blueberry 249 



Interpolation as a means of approximation to the gamma func- 

 tion for high values of n 294 



Iron sulphate for spraying potatoes Si 



Jassidae, key to Maine genera 106 



Jassoidea, ke}^ to families f^7 



Jassus acutus iii 



belli 135 



clitellarius .- 134 



fulvidorsum 142 



inimicus 123 



immistus 116 



irroratus 139 



melanogaster 136 



mixtus 108 



novellus 96 



olitorius 145 



produotus 116 



subbif acciatus 145 



KoUa bifida 99 



Land prepared with dynamite 62 



Lasioptera f rutaria, distribution 266 



life history 266 



technical description 268 



Leaf beetle attacking the blueberry 286 



Leafhopper, apple = . . . 153 



destructive 123 



grape ■ 156 



irrorate 139 



rose 158 



saddle-backed 134 



Leafhoppers of Maine 3i 



classification 86 



methods of control 84 



Logarithmic curves, fitting by the method of moments 293 



Macrosiphum solanifolii 205 



Measurement of inbreeding 225 



winter cycle in egg production 303 



Mendelian inheritance 20S 



Meteorological observations 309 



