338 



INDEX. 



Colorado potato beetle, Distribution of, 222. 



Colors, Their use to insects in the struggle 

 for existence, 139. 



Commensalim, 3. 



Cook, O. F., Communication by, 303. 



Coquillett, D. W., On the nesting habits of 

 the digger-wasp, Bembex cinerea, 236 ; 

 A new Dipterous genus related to 

 Gnoriste, 321. 



Cordyceps clavatula, 180. 



Coriscus flavomarginatus, 292. 



Corthylus columbianus n. sp., 104 ; Food- 

 habits and galleries of, 105, 107, 138. 



Coruco, a Hemipteron infesting poultry in 

 New Mexico, 40. 



Corydalis cornutus, A coleopterous enemy 

 of, 310. 



Crioceris asparagi, Distribution of, 222, 285. 



Crustacea, Do they belong within the do 

 main of entomoligical journals? 183. 



Cryptogastri, Table of subfamilies, 175. 



Cryptorhopalun triste, Larva of, 146. 



Crypturgus alutaceus, n. sp., 17. 



Culex pungens, 316. 



Cynipidae, Oviposition in, 254. 



Davis, G. C., Communication by, 12. 



Death's-head moth in relation to honey 

 bees, 60. 



Degeneration, by disuse, of organs in 

 spiders, 26. 



Dermestes larva on a corpse, 320, 



Diatrsea saccharalis, Distribution of, 224. 



Diptera as carriers of contagious diseases, 

 179. 



Distribution, Gray's law of, 253 ; of some 

 injurious insects, 219, 222, 284 ; of cer 

 tain species of Mytilaspis, 319. 



Donacia, Note on the ovipositor of, 24. 



Doryphora 10-lineata, 139 ; Distribution of, 

 222. . . 



Driver-ants in Liberia, 303. 



Drosophila living within the mouth of a 

 crab, 184. 



Eciton, 303. 



Elasminse, Peculiar structural feature in, 13. 



Elasmosoma,Discovery of the genus, in North 

 America, 280; bakeri n. sp., 282; per- 

 gandei n. sp., 283 ; schwarzii n. sp., 283. 



Entomological Society of Washington, 

 Election of officers for 1894, 94 ; Review 

 of the work of, 161. 



Epidapus scabiei u. sp., 152. 



Eudoxima transversa, 138. 



Eugnoristen. gen., 321; occidentalis n. sp., 

 322. 



Eupachylomma n. g., 58 ; flavocincta n. 



sp., 59. 



Eutermes morio, 160 ; rippertii, 160. 

 Euura perturbans, 266. 



Fernow, B. E., Communication by, 103. 

 Fig-insects, Exhibition of, 182. 

 Fleas, Structural characters of mouth-parts, 

 38. 



Galeruca xanthomelaena, Distribution of, 223. 



Gallerucella americana, Life-history of, 273. 



Gall-making nematids, 264, 266. 



Gastrosphferia, 46. 



Geographical distribution, see Distribution. 



Gill, Dr. Theo. N., Communication by, 183. 



Gononotus augulicollis, 53. 



Gopher insects, 299, 301. 



Gossamer spiders' web, 191. 



Gray's law of distribution, 253. 



Heidemann, Otto, Communications by, 53, 

 94, 106, 143, 292, 317. 



Hemipeplus marginipennis, 193. 



Hemiptera, Mouth-parts of, 241 ; Phylogeny 

 of, 185 ; Rare species found near Wash 

 ington, 143. 



Hibernation of nematids, 263. 



Hippelates pusio, 178. 



Hopkins, Prof. A. D., Note on the discovery 

 of a new Scolytid, with brief description 

 of the species, 104 ; Notes on food-habits 

 of Corthylus puuctatissimus, 105 ; Notes 

 on the habits of certain Mycetophilids, 

 with descriptions of Epidapus scabiei, 

 sp. nov.,149; Shorter communications, 

 82, 107, 138, 193. 



Howard, L . O. , A peculiar structural feature 

 of the Elasminae, 13 ; Note on the mouth- 

 parts of Stenopelmatus, 102 ; A Review 

 of the work of the Entomological Society 

 of Washington during the first ten years 

 of its existence, 161 ; On Gossamer 

 Spiders' Web, 191 ; Notes on the geo 

 graphical distribution within the U. S. of 

 certain insects injuring cultivated crops, 

 219; Arrhenophagus in America, 239 ; A 

 Coleopterous enemy of Corydalis cornu 

 tus, 310 ; Shorter communications, ISO, 

 292, 316. 



Hubbard, H. G., Note on Brathinus, 10; 

 The Oviposition of Melitara prodenialis 

 Walker, 129 ; Additional notes on the 

 insect guests of the Florida land tor 

 toise, 299 ; Some insects which brave 



