588 



Index 



Diabrotica atripennis, 45, 179. 



12-punctata, 48, 49, 53, 112, 164, 179. 



longicornis, 179. 

 Diaperis hydni, 136. 



maculata, 136. 

 Diapheromera femorata, 58, 125, 140, 



159, 211. 

 Diatoms, 292. 

 Dicerca divaricata, 148. 



lurida, 147. 

 Dichelonyx, 369. 

 Dichromorpha viridis, 58, 61, 64, 124, 



126, 212, 214. 

 Dickcissel, 302. 

 Dictamnus, 225. 

 Didelphys virginiana, 299. 

 Digger-wasp, 152, 196, 228. 



black, 54, 195. 



Harris's 52, 194. 



Pennsylvania, 54, 194. 



rusty, 45, 46, 47, 50, 51, 52, 104, 120, 

 194. 

 Diogmites misellus, 338. 

 Diplocardia, 135. 

 Diplopods, 124, 125, 133. 

 Diptera, 107, 116, 131, 143, 184-190, 



229-231, 305-363, 370. 

 Dissosteira Carolina, 166, 196. 



venusta, 189. 

 Dixippus morosus, 211. 

 Dock, 183. 



Dogbane, 44, 49, 57, 104, 109, 113, 124, 

 173, 178, 183, 193, 201, 223, 231. 

 beetle, 45, 47, 59 178, 223. 

 caterpillar, 53. 

 spreading, 178. 



Dogwood, 122, 137, 138, 139, 147. 



flowering, 299. 

 Dolichopodidae, 187, 188. 

 Dorcas parallelus, 152. 

 Dorcaschema wildii, 148. 

 Dove, mourning, 285. 

 Dragon-flies, 47, 119, 164, 165, 230. 

 Dragon-fly, nine-spot, 45, 50, 104, 165. 



red-tailed, 50, 164. 

 Dropseed, 49, 53. 



Drosophila, 346, 347. 



adusta, 347, 348. 



dimidiata, 348. 



phalerata, 104. 

 Drosophilidae, 346-348. 

 Dryobates pubescens medianus, 294. 



villosus villosus, 294. 

 Ducks, wild, 288, 290. 

 Dung-beetle, splendid, 50, 223. 

 Dumetella carolinensis, 298. 

 Dutchman's pipe, 225. 



E 



Earthworms, 115. 135. 



Eburia quadrigeminata, 143, 147. 



Egg-plant, 224. 



Elaphidion, 141, 159. 



mucronatum, 147. 



villosum, 141, 143, 147. 

 Elateridae, 115, 145, 221, 224. 

 Elm, 40, 62, 63, 77, 126, 138, 144, 147, 

 148, 149, 152, 227, 231. 



American, 514. 



borer, 144. 



slippery, 63. 



white, 217. 

 Elms, 292, 322, 342. 

 Elymus, 39, 41, 44, 107, 111, 162, 163. 

 167, 168, 169. 



canadensis, 42, 107. 



virginicus, 107. 



submuticus, 42, 43. 

 Empididae, 174, 189. 

 • Empidonax virescens, 295. 

 Empis clausa, 110, 112, 189. 

 Empusa, 119, 120, 121. 

 Enchytraeids, 135. 

 Encoptolophus sordidus, 48, 50, 53, 54, 



108, 109, 111, 166. 

 Endodontidae, 203. 

 Endomychidae, 136. 

 Enodia, 126, 138, 159. 



portlandia, 65, 226. 

 Entoloma, 437. 

 Epargyreus tityrus, 64, 126, 140, 226. 



