CONTENTS. 



xvu 



Page 

 Of solitary insects forming than for their own use — continued. 



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



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



Air (diving Spider) - - - _ 302 



LETTER XV. 



Habitations of Insects — continued - - _ _ 304 — 304. 



3. Of insects living in society - - - . 394 — 324 



Caterpillars - - _ . . 394 



Ants --.... 305 



Hive Bees ----- 308 



Humble Bees - - - - - 316 



Wasps ------ 318 



Termites - - - - - -321 



LETTER XVL 



Societies of Insects. 



I. Imperfect societies . . - . . 335 — 333 



Associations for company _ - - - 326 



of males _ . . . 327 



for emigrating - _ _ . 328 



of Caterpillars - - - - 329 



Aphides . - - _ 329 



Lady-birds - - _ . 329 



Turnip Saw-flies - . - 339 



Dragon-flies - - . _ 339 



Frog-hoppers - - - - 339 



Beetles - - - - 331 



Butterflies - - - - 331 



Field Bugs - - - - 331 



Locusts - - . _ 332 



for mutual assistance - - _ 335 



Ateuchus pihdarius - _ _ 335 



Caterpillars - - - . 335 



LETTER XVII. 



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



2. Perfect societies ( White Ants and Ants) . - . 339 — 332 



White Ants. 



Individuals composing the society - _ - 343 



Establishment of colonies . - _ . 343 



Building and repairing habitations _ - _ 345 



Collecting food . - . . . 345 



Defence of habitations . . _ . 345 



Termes lucifugus ----- 347 



Ants. • 



Storing up food - - - - - 348 



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



Individuals composing the society - . - 35I 



Formation of new societies — Winged Ants - - 352 



Language ------ 356 



Affections and aversions - . - - 359 

 2* 



