CONTENTS. xxiii 



Page 

 Stratagems employed in procuring food — continued. 



Renewal of Geometric nets _ _ « - - 236 



Other Spiders' webs .----- ^38 



Spiders which do not form webs or nets ... - 239 



Diving Spider - - - - - - - 240 



Ant Lion - - - - - - - 242 



Leptis Vermileo ------- 244 



LETTER XIV. 



Habitations of Insects - - . - - 245 — 267 



1 . Of solitary insects forming them fur their young - - 245 — 257 



Clothier Bees - - - - - - - 246 



Carpenter Bees - - - - - - - 247 



Mason Bees - - - - - - - 248 



Upholsterer Bees ..-.-- 250 



Leaf-cutting Bees - - - - - - 251 



Mason Wasp ...---- 252 



Leaf-rolling Weevils ------ 253 



Gall Flies 253 



2. Of solitary insects forming them for their own use - - 257 — 267 



In the interior of leaves ------ 258 



Of leaves cut off and rolled up - - - - - 258 



Silk - - - 260 



Lichen, Stone, &c. ------ 261 



Grass, Bark, &c. (PsT/che) - - - - - 262 



Gummy cement (^Clythra) ----- 262 



Wax (GaUeria) - - - - - - 262 



Wool or Hair (Caterpillars of Clothes-Moths) - - 2G3 



Cotton 264 



Grass, Rushes, Sand, &c. (Caddis-worms) - - - 264 



Earth and Silk with a trap door (Spiders) - - - 265 



Air (diving Spider) . . - - - 267 



LETTER XV. 



Habitations of Insects — continued - - " 268 — _89 



3. Of insects living in society - - - 268 — -89 



Caterpillars ------- 268 



Ants 269 



Hive Bees - - - - - - - 272 



Humble Bees - - - - - - "280 



Wasps -------- 282 



Termites -_---- - 235 



