Acanthia inodora, 40. 



Acheron tia atropos, 60. 



Agrilus bilineatus, 82. 



Ammophilus gryphus, Additional observa 

 tions on habits of, 168. 



Amphicoma vulpina, 193. 



Amplicotes, Occurrence of, in Florida, 94. 



Anchonus floridanus n. sp., 42. 



Anthicus haldemani, 311 ; heroicus, 311 ; 

 quadrilunatus, 313. 



Anthocharis genutia, 53. 



Antinonnin, 103. 



Aphids, Prolificacy of, 204. 



Apis florea, Comb of, 292; meilifica, 23; 

 mating of queens, 169. 



Arachnida, Degeneration by disuse of certain 

 organs of, 26. 



Aramigus fulleri, 145. 



Archeoplax notopus, 183. 



Argas americanus, 199. 



Arrhenophagus chionaspidis, Occurrence of 

 in America, 239. 



Ashmead, W. H., Notes on the genus Cen- 

 trodora, 9 ; A Synopsis of the Spalan- 

 giinse of N. A., 27 ; Synopsis of the N. 

 A. species of Toxoneura Say, 47 ; Notes 

 on the family Pachylommatoidse, 55 ; 

 Notes on the genus Liopteron Perty, 

 174; Presidential Address for 1894: 

 Some important structural characters 

 in the classification of the parasitic 

 Hymenoptera, 202 ; On the genus Pele- 

 cinella Westwood and its position 

 among the Chalcididse, 230; On the 

 genus Barycnemis Forster, 238 ; Lysiog- 

 natha, a new and remarkable genus in 

 the Ichneumonidse, 275 ; Discovery of 

 the genus Elasmosoma, Ruthe, in 

 America, 280; Rhopalosomidae, a new 

 family of fossorial wasps, 303; Presi 

 dential Address for 1895 : The Phylogeny 

 of the Hymenoptera, 323 ; Shorter com 

 munications, 94, 106, 138, 182, 318. 

 Aspidiotus perniciosus, Distribution of, 220 

 tenebricosus, 66. 



Barycnemis, On the genus, 238 ; linearis n. 

 sp., 238. 



Belostoma, Notes on, 83. 



Bembex cinerea, Nesting habits of, 236. 



Benacus, Notes on, 83. 



Benton, Frank, The curious defenses con 

 structed by Melipona and Trigona, 18; 

 The Death's-head moth in relation to 

 honey-bees, 60 ; Shorter communica 

 tions, 160, 169, 292. 



Blissus leucopterus, Distribution of, 224. 



Brathinus, Note on, 10; calif oruicus n. sp., 

 11. 



California, Notes from, 250. 



Carpocapsa pomonella, Futher note on, 228. 



Centrodora, Notes on the genus, 9 ; clisio- 



campae n. sp. , 10. 



Cerambycidae, Notes on food-habits of, 95. 

 Ceresa bubalus and C. tauriua, Eggs of, 88. 

 Cerocephala, Synopsis of, 31 ; pityophthori 



n. sp., 32 ; scolytivora n. sp., 33. 

 Chaetopsila, 34. 

 Chalcis cyanea, 106. 

 Chittenden, F. H., On the habits of some 



Longicorns, 95 ; A Leaf-beetle of the 



Golden Rod, 273. 

 Chrysobothris femorata, 92. 

 Chrysomela flavomarginata, 9. 

 Cicada, Mouth-parts of, 241 ; septendecim, 



Larval history of, 115. 

 Cicindela severa, 194 ; striga, 194. 

 Clerus forrnicarius, 193. 

 Coccidae, Destroyed by fungus disease, 180, 



181 ; Distribution of, 173 ; Hibernation 



of, 67 ; Notes on, 65. 

 Coccinellidse, Importation of coccidiphagous, 



251. 

 Cockerell, T. D. A., Communications by, 



127, 173. 



Codling moth, Further note on, 228. 

 Cold, Effect of, on insects, 27, 279. 

 Coleoptera of Alaska, 170 ; Collections made 



in the Northwest, 17 ; Exhibition of rare 



N. A. species, 17 ; Malformation in, 39 ; 



Melsheimer's Catalogue of, 134 ; Method 



of mounting small, 146 ; Termitophilous 



and myrmecophilous, 73. 

 Coleopterous enemy of Corydalis cornutug, 



310. 



