267 



Bombus — continued. 



impatiens, 56, 108, 111, 200. 



pennsylvanicus, 45, 46, 54, 56, 108, 

 109, 111, 199. 



separatus, 45, 46, 50, 52, 111, 163, 

 200. 

 Bombyeid, 220. 

 Bombyliidas, 115, 185. 

 Bombylius, 186. 

 Borer, elm, 146, 154. 



flat-headed apple-tree, 146. 



heartwood, 154. 



hickory, 147. 



locust, 145, 154. 



sugar-maple, 232. 

 Borers, wood, 99, 100. 

 Bothropolys multidentatus, 134. 

 Botryehium virginianum, 63. 

 Box elder, 143. 

 Brachycoma, 120. 



davidsonl, 200. 

 Brachynemurus abdominalis, 50, 51, 



111, 165. 

 Bracou agrili, 144, 159. 

 BraoonidsB, 158, 190. 

 Branehiobdellidse, 66. 

 BrentMd, northern, 147. 

 Brontes dubius, 151. 

 Brown-tailed moth, 156. 

 Buck-brush, 63. 

 Buckwheat, climbing, 227. 

 Buffalo, 118. 



Bug, ambush, 45, 46, 48, 50, 52, 53, 

 104, 174, 185, 189. 



chinch, 111, 114. 



flea negro-, 172. 



leaf -footed,' 138. 



milkweed, see milkweed bug. 



plant-, see plant-bug. 



slender-necked, 135. 



squash-, 189. 



stinging, 174. 



stink-, 50, 51, 187. 

 Bulrush, 44, 103. 

 Bumblebee, false, 52, 54, 120, 200. 



impatient, 56, 200. 



Pennsylvania, 45, 54, 56, 199. 

 Bumblebees, 47, 117. 

 BuprestidsB, 144, 145. 

 Buprestis splendens, 142. 

 Burdock, 227. 

 Bush honeysuckle, 183. 

 Butterflies, 187. 

 Butterfly, cabbage, 56, 182, 186. 



celery, 45, 182. 



cresphontes, 225. 



eurytus, 65, 226. 



idalia, 45, 183. 



Butterfly — continued. 



milkweed, 45, 50, 183. 



philenor, 59, 61, 225. 



philodice, 45. 



portlandia, 65, 226. 



thoe, 53, 183. 



troilus, 59, 61, 225. 



turnus, 59, 225. 

 Butternut, 139, 146, 149, 227. 

 Buttonwood, 227. 



C 



Caberodes confusaria, 61, 229. 

 Cacalia, 171. 

 Calandridae, 181. 

 Callipus, 133. 



lactarius, 64, 134, 205. 

 Calloides nobilis, 148. 

 Calopteron, black-tipped, 64, 221. 



reticulate, 64, 222. 



reticulatum, 64, 126, 222. 



terminale, 64, 126, 221. 

 Calosoma, 140. 



scrutator, 59, 61, 124, 125, 132, 159, 

 220, 237. 

 Cambarus, 48, 50, 51. 



diogenes, 66, 128, 161, 204. 



gracilis, 45, 47, 48, 104, 108, 161. 

 immunis, 66, 205. 



propinquus, 66, 205. 

 Campanula americana, 63. 

 Camponotus, 147, 150, 209. 



herculeanus, 154. 

 pennsylvanicus, 62, 202, 204, 221, 

 223, 228, 236. 

 ferrugineus, 62, 65, 220, 237. 

 Campostoma anomalum, 66. 

 Campylenchia curvata, 48, 170. 

 Cankerworms, 221. 

 CarabidsB, 116, 130, 175, 221. 

 Cardinalis eardinalis, 220. 

 Carex, 44. 

 Carya, 124. 



alba, 40. 



cordiformis, 57, 60, 63. 



glabra, 40, 57, 60. 



mierocarpa, 228. 



ovata, 40, 57, 60, 124, 229, 230. 

 Catalpa, 148. 



hardy, 148. 

 Caterpillar-hunter, 59, 61, 220. 



carpenter, 154. 



gall, 184. 



rotten-log, 61, 150, 153, 154, 228. 



slug, 61, 140, 229. 



-wasp, short, 59, 62, 238. 

 Caterpillars, 164, 193. 



