CONTENTS. xvii 



2. Of solitary insects forming them for their own use — continued. 



Grass, Rushes, Sand, &c. (Caddis-worms) - - 299 



Earth and Silk with a trap door (Spiders) - - 301 



Air (diving Spider) . . _ _ 302 



LETTER XV. • 



Habitations of Insects — continued - - - - 304 — 324 



3. Of insects living in society - ... _ 304 — 324 



Caterpillars _ _ _ . . 304 



Ants ..---. 305 



Hive Bees _ . . . . 308 



Humble Bees - - - - - 316 



Wasps - - - - - - 318 



Termites - - - - - - 321 



LETTER XVL 



Societies of Insects. 



1. Imperfect societies . . - - _ 325 — 333 



Associations for company . _ _ _ 326 



of males - - ^- - 327 



for emigrating . - - . 333 



of Caterpillars - - - . 329 



Aphides - - - - 329 



Lady-birds - - - - 329 



Turnip Saw-flies - - - 330 



Dragon-flies - - - - 330 



F.rog-hoppers - - - - 330 



Beetles - - - - 331 



Butterflies - - ■ - - 331 



Field Bugs - - - - 331 



Locusts . _ . _ 332 



for mutual assistance _ _ . 335 



Aieuchus pihdarius - . _ 335 



Caterpillars - - - - 336 



LETTER XVII. 



Societies of Insects — continued . . _ . 339 — 332 



2. Perfect societies {White Ants and Ants) - - -339—382 



White Ants. 



Individuals composing the society . - . 343 



Establishment of colonies . . - - 343 



Building and repairing habitations . . . 345 



Collecting food . _ - - - 345 



Defence of habitations .... 346 



Termes lucifugus ----- 347 



Ants. 



Storing up food ----- 348 



(Gould's " English Ants") - - - - 350 



Individuals composing the society - - - 351 



Formation of new societies — Winged Ants - - 352 



Language ------ 356 



Affections and aversions . - - - 359 



2* 



