ILLUSTRATIONS. 



XI 



Page 



96 Leaf of the primrose mined ....... 207 



97 Capricorn beetle rounding off the bark of a tree « . . 210 



98 Mole-cricket, with outline of one of its hands .... 212 



99 Nest of the Mole-cricket 213 



100 Acrida verrucivora depositing her eggs . . . . .216 



101 Artificial hive for observing the mason-ants .... 235 



102 Vertical section for mason-ant's nest ..... 236 



103 Contrivance of mason-ants to strengthen the building of their nest 237 



104 Artificial hive for the wood-ant ...... 242 



105 Portion of a tree, with chambers, &c., chiselled out by jet-ants . 245 



106 Warrior-ant in the winged state . . . . . .255 



107 White-ant queen distended with eggs ..... 258 



108 Covered way and nest of the termites arborum". . . . 262 



109 Section of the hill nest of the termites bellicosi . . . • 262 



110 Hill nest of the termites bellicosi 262 



111 Turi-et nests of white ants . . . . . . • . 263 



112 Leg and pro-leg of a caterpillar, greatlv magnified . . . 268 



113 Caterpillar of the goat-moUi. . ' 269 



114 Interior structure of the cossus ...... 270 



115 Side view of the silk tube 271 



116 Section of silk tube, magnified . . . . . .271 



117 Labium or lower lip of cossus ...... *271 



118 Cocoons of the emperor-moth ...... 280 



119 Cocoon of arctia villica ....... 282 



120 Net-work cocoon 282 



121 Nest of puss-moth, enclosing five cocoons .... 284 



122 Winter nest of the social caterpillars of the bi'own-tail moth . 287 



123 Winter nests of Porthesia chrysorrhjea ..... 288 



124 Pendulous leaf-nests 289 



125 Nest and order of marching of the processionary caterpillars . 290 



126 Garden spider suspended by a thread from its spinneret . . 293 



127 Spinneret of a spider magnified to show the spinnerules . . 294 



128 Single thread of a spider, greatly magnified .... 295 



129 Attached end of a spider's thread, magnified .... 295 



130 Geometric net of the garden spider. ..... 312 



131 Nests of the mason spider ....... 315 



132 The spider, mygale cfementaria .,,... 315 



133 The eyes, magnified ...... .315 



134 Parts of the foot and claw, magnified ..... 315 



135 Triple-clawed foot of a spider, magnified . .... 320 



136 Small berry-shaped galls of the oak-leaf 323 



137 Ovipositor of gall-fly, greatly magnified ..... 324 



138 Gall-fly, and mechanism of ovipositor, greatly magnified . . 325 



139 Bedeguar gall of the rose, produced by Cynips rosae . . . 327 



140 One of the bristles of the bedeguar of the rose, magnified . . 328 



141 Artichoke gall of the oak-bud, with gall-fly .... 330 



142 Leafy gall of of dyer's broom 331 



143 Semi-gall of the hawthorn 333 



144 Woolly gall of the oak 334 



145 Oak-apple galls, one cut open to show the vessels . . 335 



146 Root galls of the oak 336 



147 Woody gall on a willow branch 337 



148 Currant gall of the catkins of the oak 337 



