xxiv CONTEN'TS. 
= Page 
LETTER XVI. 
‘Societizs oF Insects, 
1. Imperfect societies - - - - - £90—303 
Associations for company - - - - - 291 
of males - = = = - 292 
for emigrating = - - - - - 298 
of Caterpillars - - - - - 299 
Aphides ae - - - - 294 
Lady-birds - - - - - 295 
Turnip Saw-flies - - - - 295 
Dragonflies - - - - 295 
Frog-hoppers - - - - 296 
Beetles - - - - - 296 
Butterflies - - - - - 296 
Field Bugs - - - - = 297 
Locusts - - - - - 298 
for mutual assistance - - - - 300 
Ateuchus pilularius - - - - 300 
Caterpillars - - - - - 501 
LETTER XVII. . 
Societies oF Insects—continued - - - ~ $04—347 
2. Perfect societies (White Ants and Ants) - - - 304—347 
White Ants. 
Individuals composing the society  - _- - - 307 
Establishment of colonies - - - - - 308 
Building and repairing habitations —~ - - - 310 
Collecting food - - - - - - 310 
Detence of habitations - - - - - 311 
Termes lucifugus - - - - - - 312 
Ants, 
Storing up food - - - . = - 313 
(Gould's “ English Ants”) - - : - 315 
Individuals composing the society —- - - - 316 
Formation of new societies— Winged Ants - - - 317 
Language - - - - - - - 321 
Affections and aversions - - - - - 324 
Formie acid - - - - - - 325 
Wars - - - - - - - 326 
Slave-making - - . - - - 328 
Milch Cattle — Aphides, &c. - - - - 385 
Emigrations - - - - - - 338 
Working ail night = - - - - - - 342 
Tioads and track-ways - - - “ - 343 
Strength and perseverance - - - - - 544 
Gridge-making - : - - » 345 
Tiepose and sleep - - - - * - 345 
Sports and games - - - . - = 346 
