Index 
Diaphorus opacus, 35. 
Diaphorus snowii, 36. 
Diaphorus sparsus, 36. 
Diaphorus spectabilis, 37. 
Diaphorus variabilis, 39. 
Diaphorus vulsus, 39. 
Diaulinopsis, 95, 100. 
Dibrachys clisocampe, 92. 
Dibrachys nigrocyaneum, 88. 
Dioctria albius, 117. 
Dioctria brevis, 117. 
Dioctria flavipes, 119. 
Dioctria longicernis, 118. 
Dioctria longicornis var tibialis, 118. 
Dioctria media, 118. 
Dioctria pleuralis, 118. 
Dioctria pusio, 119. 
Dioctria rubidus, 119. 
Dioctria sackenii, 119. 
Elateridee, fossil in amber, 40. 
Electrofenus gracilipes, 41. 
Empidide, fossil in amber, 40. 
Encyrtus stphonophore, 102 
Enicocephalide, fossil in amber, 40. 
Enicocephalus swinhoei, 42. 
Eohyria, 57. 
Ephebomyrmex imberbiculus, 178. 
Eupeleteria magnicornis, 63. 
Euplectrus platypene, 91. 
Eutelus betule, 93. 
Eutelus salicis, 94. 
Evaniide, fossil in amber, 40. 
Exchange column, 31, 61, 103, 136, 165, 
197. 
Exorista spinipennis, 58. 
Exoristoides slossone, 58. 
Fenestrella, 14. 
Fenestrella ovata, 155. 
Fir, aphids on, 86. 
Formica atra, 28. 
Formica carye, 26, 27. 
Formica ligniperda, 26, 27. 
Formica herculeana, 26, 27. 
Formica noveboracensis, 26. 
Formica subsericea, 26, 27. 
Formicina subrumbratus, habits, 167. 
Fossil Arthropods, 40. 
Galeatus peckhami, 15. 
Gastrophilus hemorrhoidalis, 182. 
Gastrophilus intestinalis, 183. 
Gastrophilus nasalis, 183. 
Geometride, notes on, 190. 
Gonatocerus illinoiensis, 91. 
Grotiusomyia flavicornis, 95. 
Habrocytus onerati, 94. 
Hematopinus eurysternus, 187. 
Hentz, manuscript of, 87. 
Hesperotingis, 21. 
203 
Hesperotingus antennata, 21. 
Hesperotingis antennata, var borealis, 
Q4, 
Hesperotingis fuscata, 24. 
Homeeonychia rape, 139. 
Horisme vitalbata incana, 190. 
Insect blood cells, growth in vitro, 1. 
Lamprocryptus, 192. 
Lampropholis, fossil in amber, 40. 
Lamprostatus canadensis, 96. 
Lasius fuliginosus, 168. 
Lasius sitkensis, 172. 
Lasius umbratus, habits, 167. 
Lasius subumbratus, habits, 167. 
Leaf-oviposition in parasitic Hymen- 
optera, 63. 
Lepidosaphes ulmi, parasites of, 95. 
Lepidoscelio viatrix, 196. 
Lepismatide, fossil in amber, 40. 
Leptobyrsa rhododendri, 15. 
Leptoglossus, key to North American 
species, 69. 
Leptoglossus ashmeadi, 72. 
Leptoglossus clypealis, 71. 
Leptoglossus corculus, 71. 
Leptoglossus fulvicornis, 70. 
Leptoglossus gonagra, 72. 
Leptoglossus occidentalis, 71. 
Leptoglossus oppositus, 71. 
Leptoglossus phyllopus, 72. 
Leptoglossus zonatus, 72. 
Leptophya costata, 16. 
Lice, control of, 187. 
Tinognathus vituli, 188. 
Tiometopum apiculatum, 177. 
Lipeurus aberrans, 112. 
Iipeurus baculus, 109. 
Lipeurus brevicephalus, 105. 
Lipeurus bishoppi, 111. 
Lipeurus clavatus, 115. 
Tipeurus constrictus, 111. 
Lipeurus crotophage, 105. 
Iipeurus docophoroides, 112. 
LTipeurus habreus, 105. 
Tipeurus introductus, 115. 
Lipeurus lineatus, 114. 
Tipeurus macgragori, 106. 
Lipeurus mississippiensis, 107. 
LTipeurus picturatus, 106. 
Tipeurus snodgrassi, 108, 115. 
Tipeurus squalidus, 111. 
Tipeurus stramineus, ¥08. 
Iipeurus temporalis, 111. 
Lipeurus texanus, 109. 
Tipeurus toxoceros, 105. 
Tipeurus variabilis, 114. 
Lydella nigripes, 141. 
Lygeeidee, synoptis key of genera, 128. 
