CONTENTS. xxv 



Page 

 LETTER XVIII. 



PERFECT SOCIETIES OF INSECTS continued - - 348 355 



Wasps. Humble Bees - - 348355 



Wasps. 



Individuals composing the society - - - - 348 



Labours of workers - - - - 350 



Storing up honey - - 350 



Sentinels ....... 350 



Humble Bees 



Individuals composing the society - - - - 351 



Employment of females - - 352 



Small females -_-__-- 352 

 Parasitic Humble Bees ..... 354 



Temper and disposition - .... 354 



LETTER XIX. 



PERFECT SOCIETIES OF INSECTS continued ... 356 379 



Hive Bee - ... - 356379 



Individuals composing the society - 357 



Education of a new Queen ... - 360 



Larvze and pupse ---..__ 365 

 Queen Bee --..._- 366 



Combats of Queens - 367 



First swarm conducted by the old Queen ... - 368 



Treatment of young Queens ..... 369 



Devotion to the Queen ..__.- 370 



Loss of a Queen - - - - - - -371 



Fecundation of the Queen ... - 373 



Oviposition by the Queen - - - - - 374 



Swarming ..... . 375 



LETTER XX. 



PERFECT SOCIETIES OF INSECTS concluded - 380 403 



Hive Bee .... 380 403 



Drones ........ 381 



Workers ..... .382 



collecting nectar - - - - - 383 



pollen - - 385 



propolis - - 387 



Distance of excursions - - 388 



Scouts - - 388 



Population of a hive - - - - - 389 



Transportation of hives - - 390 



Ventilation - - - - - - - 391 



