Duchet, Wildman, Hunter and Evans 362, _et seq._ regular division of labour 367 hence wax-working and nursing-bees _ib._ experiment to show the designation of pollen _ib._ other sources of wax 368 Sphinx Atropos. _Vide_ Hawk-moth. Spider, anecdotes of 261 fertilization of 31 Sir Joseph Banks's 332 Stemmata 315 experiments of Swammerdam, Reaumur, &c. 315 Sting of working-bee 277 fatal consequences attending its use 278, 283 not apt to be used when the bee is distant from home 289 of queen-bee 279 her cautious use of it 286 compared with sharp instruments _ib._ Stinging, remedies for 284 precautions against, when attacked 285 Storifying 109 will not always prevent swarming 124 compared with single-hiving 122 Suffocating or sulphuring of bees 174 Sugar an excellent substitute for honey 360 Super-hiving 124, 151 Swarming 115 causes of _ib._ usual periods of 119 best periods of _ib._ instance of very early _ib._ disadvantages of early and late 120 heat produced by 39, 273 bees not apt to sting at this time 138 striking instance of this 139 instance to the contrary _ib._ importance of queen at the time 140 experiments in proof of it 141, _et seq._ Swarms, number thrown off in a season 115 intervals betwixt successive 116 hiving of 136 union of 154 causes of 115