ILLUSTRATIONS. 399 



94 Trembley's breeding apparatus ..,.;. 237 



95 Reaumur's breeding apparatus .... 237 



96 Aphis of the elm, magnified ....... 248 



97 Aphis of the willow, magnified ...... ib. 



98 Common gnat {Cule.v pipiens) ...... ib. 



99 Marsh-fritillary (Mclit&a artemis*) 264 



100 Six-spot burnet moth {Anthrocerajilipendulce} . . , ib. 



101 Spiders' webs on iron railings ...... 282 



102 Reaumur's large pyramidal hive ...... 283 



103 Swarm of bees on a laburnum tree branch .... 286 



104 Swarm of 40,000 bees on a tig-tree, and Reaumur's apparatus for 



weighing them 291 



105 Structure of the sting of the common bee .... 325 



106 Poison bag of the bee, magnified 326 



107 Breeding-cage, with gauze doors and glass slides : . . . 364 



108 Larvae-box and pocket collecting box . . . . . 368 



109 Water-net 369 



110 Butterfly.net 370 



111 Clap-net 371 



112 Ring-net 372 



H3 Net-forceps . . ib. 



114 French beetle forceps and pliers ...... 373 



115 Digger . ib. 



116 Chip collecting box, opened . v . . 374 



117 Setting needles and brush, with the method of setting insects . 376 



118 Method of mounting small insects 377 



119 Setting-board frame ........ 378 



2 M2 



