294 



IXDEX. 



Metamorphosis, Complete, 8 



Incomplete, 10 

 Mexican cotton boll- weevil, 205 

 Mouth-parts, Biting, 12 



Sucking, 13 



Nectaraphora avenge, 115 



pisi, 182, 183 

 Noctua clandestina, 150 

 Noctuid«, 150 

 Nysius angustatus, 263 



Ophion, 41 



macrurum, 42 

 Orthoptera, 10 

 Oscinis variabilis, 114 



Pach3'nematus extensicornis, 119 

 Pachyonerus calcitrator, 98 

 Pachj^rrhinis sp., 90 

 Palpus, 13 



Panicum glabrum, 135 

 Paragrene, 287 

 Parajulus impressus, 239 

 Parasites, 39 

 Paris green, 285 

 Parthenogenesis, 136 

 Pea-louse, 182 

 Pemphigus betae, 255 

 Peridromia saucia, 257 

 Phorodon humuli, 272 

 Phragmites communis, 143 

 Phylfotreta vittata, 264 

 Phytononus punctatus, 177 

 Pimpla conquisitor, 190 



inquisitor, maggots, 41 

 Pipiza radicans, 35 

 Planting, Time of, 28 

 Plant-louse, mouth-parts, lo 

 Plodia interpunctella, 160, 161 

 Plowing, Deep fall, 24 

 Poa pratensis. 111 

 Poisons, 285 

 Polygonia comma, 282 



interrogationis, 279 

 Polygonum persicaria, 135 

 Portulaca solacea, 135 

 Potato-beetle, Colorado, 243 

 Potatoes, Injury to, 4 

 Potato insects, 239 



Scab, 239 



Stalk- borer, 2, 24, 241 



I Poultry, 26 

 ; Predaceous insects, 30 

 I Proctotrypida?, 43 

 I Protoparce Carolina, 231 

 celeus, 231 

 Pyralida^, 260 

 Pyralis costalis, 186 



farinalis, 160, 161 

 Pyrethrum, 18, 289 



Kesin-lime mixture, 288 



Respiratory system, 17 



Rice-weevil, 26, 155 



Root-louse, Corn, 134 

 Grass, 134 

 Syrphus-fly, 35 



Rotation of crops, 28 



San Jose Scale, 21 



Sarcophaga carnaria, 65 



Sawflies, Wheat, 19 



Schizoneura panicola, 134 



Schistocerca americana, 12, C7, 

 71, 196 



Sciara sp. ?, 239 



Scirpus fluviatilis, 143 



Semicolon butterfly, 279 



Sesame grass, 149 



Setaria viridis. 111 



Sharpshooters, 198 



Silkworm, Internal anatomy, 18 



Silvanus surinamensis, 156, 157 



Sitotroga cerealella, 162 



Solanum carolinense, 228 

 datura, 245 



South African fungus, 77 



Sphenophorus ochreus, 143 

 obscurus, 141 

 parvulus, 141 

 pertinax, 144 

 placid us, 144 

 robustus, 142 

 scoparius, 144 

 sculptilis, 144 



Spiracles, 15, 16 



Sporotrichum globuliferum, 56 



Squash -bug. 24 



Structure of an insect, 6 



Suck fly, Tobacco, 224 



Sugar-beet insects, 252 



Web worm, 260 



