269 



Conocephalus, 50, 51, HI, 163, 168. 



nebrascensis, 64, 126, 216. 

 Conopidse, 188. 

 Conops, 120, 200. 

 Coiiotrachelus elegans, 141. 



seniculus, 138. 

 Coptocycla clavata, 65, 224. 

 Cord grass, 39, 40, 167, 170. 

 Cordyceps, 119, 120, 121. 

 CoreidaB, 173, 219. 

 Corirachne versicolor, 151. 

 Corixida;, 66. 

 Corn, 85, 177, 179 182, 218 



root-worm, southern, 48, 53, 1/J. 

 western, 179. 

 Cormis, 122, 147. 

 Corthylus, 137. 

 Corymbites, 64, 221. 



CottonWood. 76, 103, 105, 106, 120, 



121, 148, 149, 157. 

 Couch grass, 39. „ ,,^ 



Crab-apple, 55, 56, 129, 146. 

 Crab-spider, see Spider, ambush, 



crab-, or flower. 

 Crambidfe, 115. 

 Cranberry, 77. 79, 84. 

 Crane-flies, 201. 

 Craspedosomidse, 205. 

 Crataegus, 146. 

 Cratoparis lunatus, 137. 

 Crawfish, 35. 44, m, 108, 114. 179. 

 burrowing prairie or prairie, 45, 



104, 161. 

 Diogenes, 161, 204. 

 immune, 205. 

 leeches, 66. 

 neighborhood, 205. 

 prairie or burrowing praine, 45, 

 104, 161. 

 Creek chub, 65. 

 Cremastogaster lineolata, 59, io-:^, 



234. 

 Cressonia nug^anclis, 59, 140, 226. 



Cricket. 165. ,c. aq nn 



black-horned meadow, 42, 4«, £)t>, 



169. 



four-spotted white, 42, 50, 170. 



spotted, 58, 217. 



striped, 58, 64. 216. 



woodland, 58, 61. 132, 217. 

 Criocephalus obsoletus, 148. 

 Crioceris asparagi, 172. 

 Crustacea, 91, 162, 204. 

 Cryptocephalus mutabilis, 223. 



venustus. 178. 

 simplex, 178. 



Cryptorhynchus parochus, 146. 

 Cucujus clavipos, 149, 151. 

 Cucullia astoroidcs, 110. 

 CulicidaB, 184. 

 Culver's root, 174. 

 Curculionida), 182. 

 Currant, 129. 

 Cyllene caryse, 147. 

 pictus, 147. 



robinise, 110, 145, 147, 154. 

 Cymatodera balteata, 145. 

 Cynipidaj, 124, 190, 232. 

 Cyrtophyllus perspicillatus, 58, 12o, 

 140, 159, 215. 



D 



Daddy-long-legs, 206. 

 Dffidalia, 136. 

 Dandelion, 227. 

 Datana, 140, 159, 220. 

 angusii, 59, 61, 228. 

 Dendroctonus frontalis, 143, 15b. 

 piceaperda, 156. 

 ponderosa, 156. 

 terebrans, 143. 

 Dendroides, 154. 



canadensis, 149, 225. 

 Deromyia, 53, 186. 

 discolor, 64, 126, 230. 

 umbrinus, 230. 

 Desmodium, 53, 124, 226. 

 canadense, 171. 

 grandiflorum, 63. 

 nudiflorum. 57. 

 Diabrotica atripennis, 45, 179 



12-punctata, 48, 49, 53, 112, 164, 



179. 

 longicornis, 179. 

 Diaperis hydni, 136. 



maculata, 136. 

 Diapheromera femorata, 58, l_o, nv, 



159, 211. 

 Dicerca divaricata, 148. 



lurida, 147. _, 



Dichromorpha vindis, 58, 61, 64, 1/4, 



126, 212, 214. 

 Dictamnus, 225. 

 Dio-ger-wasp, 52, 228. 

 black, 54, 194. 

 Harris's, 52, 194. 

 Pennsvlvania, 54, 194. 

 rusty, 45, 46, 50, 52, 104, 120, 194. 

 Diploeardia, 135. 

 Diplopods, 124, 125, 133. 

 Diptera, 116, 184, 229. 



