INDEX. 



Abdomen, 19. 

 Acrididae, 72. 

 Adult, 40. 



Agalena nsevia, 224. 

 Agamic, 177. 

 AgUis milberti, 252. 

 Alder-blight, 163. 

 Ambush-bug, 274. 

 American tortoise-shell, 252. 

 " Andrena, 269. 

 Andriconia, 247. 

 Angle- wings, 250. 

 Anisota oak-worms, 199. 

 Anosia plexippus, 249. 

 Antennae, 12. 

 Ant-lions, 77. 

 Ant-nest, 278. 

 Ants, 85, 178, 275. 

 Aphididse, 163. 

 Aphids, 75, 163, 175. 

 Aphis-lions, 77, 78, 3(78, J79. 

 Apple-tree tent-caterpillar, 168, 

 Aquaria, 330. 

 Arachnida, 53, 55. 

 Arctiidae, 239. 

 Arthropoda, 52. 

 Automeris io, 189. 



Back-swimmers, 123, 128. 

 Bag-worm, 204. 

 Ballooning spiders, 226. 

 Basilarchia archippus, 249. 

 Basilona imperialis, 197. 

 Bees, 85, 254. 

 Beetles, 41, 85. 

 Belostoma, 130. 

 Bent-necked vials, 313. 

 Bird-lice, 6g. 

 Bittacus, 79. 

 Black-flies, 156. 

 Black swallow-tail, 243. 

 Blank forms for labels, 319. 

 Blattidse, 71. 

 Blepharoceridae, 159. 

 Blister-beetles, 273. 

 Block system of arranging collec- 

 tions, 311. 

 Blues, 247. 

 Book-lice, 68. 

 Books on insects, 336. 

 Boreus, 79. 

 Breathing holes, 19. 

 Breeding cages, 327. 

 Breeding of insects, 326. 

 Bri^tletails, 63. 

 343 



