The old queen always conducts the first swarm 173 But never before depositing eggs in the royal cells 177 Singular effect of a sound emitted by perfect queens 189 The instinct of bees is affected during the period of swarming 208 Queens are liberated from their cells according to their age 214 The bees probably judge of this by the sound emitted 217 Young queens conducting swarms are virgins 221 The conduct of bees to old queens is peculiar 224 Retarded impregnation affects the instinct of queens 241 Amputation of the antennae produces singular effects 245 Advantages of the leaf hive 253 It renders the bees tractable 256 They may there be forced to work in wax 264 Uniform distance between the combs 265 Natural heat of bees 269 Distance to which they fly 271 Appendix 273 Anatomical observations on the sexual organs of bees 276 Experiments proving the copulation of the queen 290 ALEX. SMELLIE, Printer. {Transcriber's notes The spelling in the original is sometimes idiosyncratic. It has not been changed, but a few obvious errors have been corrected. The corrections are listed below. Inconsistent spellings include: Lusace/Lusace, centre/center, choose/chuse, organisation/organization, recognise/recognize Unusual spellings (which have not been changed) include: centinels, coccoon, diaphraghm, encreased, encreasing, groupes, harrassed, inaccessible, incontestible, indispensible, moveable, perceptible, susceptible, uncontrouled, unintelligible Letter I "secret distinctive characterestics" changed to "secret distinctive characteristics" Letter II "the copulalation of queens" changed to "the copulation of queens" Letter IV "The worms had spun their silk coccons" changed to "The worms had spun their silk coccoons" Letter V "characteristics of commo nbees" changed to "characteristics of common bees" Letter VI "The result of this rencounter" changed to "The result of this encounter" "genius such as your's" unchanged. "observing that the antennae" changed to "observing that the antennae" "combats and disastrou scenes" changed to "combats and disastrous scenes" "M. de Reamur speaks of these executions" changed to "M. de Reaumur speaks of these executions" Letter IX "Only the few bees that not participated" changed to "Only the few bees that had not participated" Letter XI "these tumultous motions" changed to "these tumultuous motions" Letter XII "one antennae" unchanged.