INDEX. 



335 



Rose cutting bee, 9 

 Royal jelly, 82 



S. 



Saccharine matter the source of 



wax, 159 

 Sainfoin, 308 



Saliva pumped out by bee in suck- 

 ing, 101 

 Salivary glands, discovery of, 72 



glands, uses of, 80 



valve, 79, 91, 101 

 Salvia glutinosa, 313 



officinalis, 311 



patens and fulgens, 3 1 2 

 Scarlet runner, 308 

 Schiemenz on stomach-mouth, 68 

 Scrophularia nodosa, 284 

 Sealing over brood pervious to air, 



22, 175 

 Self-fertilised flowers small, 320 

 Shower of aphide nectar, 272 

 Side ducts extravasated, reason for, 



97 

 Simpson's honey plant, 286 

 Sir J. Lubbock on bees not hear- 

 ing, 107 

 Sizes of antenna of the sexes, 1 10 



of cells, 1 76 

 Skeleton, external, 30 

 Skin casting, 20 

 Sleeping flowers, 305 

 Smell, experiments upon, 109 



hollows of antenna, 106, 109, in 

 Soap-bubble experiment, 170 

 Spermatheca, 216 



of unmated queen, 218 



valve of, 219 

 Spermathecal duct, 225 



sphincter, 225 

 Spermatophore, 203 

 Spermatozoa, 200 



diseased, 232 



killed by cold, 235 



movements of, 219 



number of, 226 



within egg, 233 

 Spinning gland, 73 

 Spiracles, ^3> J 49 



can be closed voluntarily, 148 



number of, 36 



Spur on second leg, use of, 130 

 Stemmata, or simple eyes, 1 16 

 Sticky hairs of Erica Tetralix, 

 292 



hairs of Salvia glutinosa, 313 

 Stigma, 252 



of pelargonium, 283 

 Sting, antidote for, 188 



darts of, 185 



development of, 196, 240 



how it pierces, 186 



levers of, 186 



lubricating gland of, 192 



mechanical perfection of, 193 



muscular structure of, 187 



necessity for, 196 



of queen, 193 



palpi, 191 



poison of, 188 



pump of, 189 



reflex action of, 187 



sheath of, 184 



structure, 183 



valves of, 189 



when used, torn from worker, 

 194 

 Stomach-mouth, 60, 65 



movements of, 66 



structure of, 67 



true use of, 69 

 Stomato-gastric nerve system, 55 

 Strawberry, 326 



culture : a caution, 326 



needs hundreds of fertilisations, 

 326 



tends to be dioecious, 327 



tree, 295 

 Strength of comb, 179 

 Sub-cesophageal ganglion, 45 

 Sucking large quantities of nectar, 



94 

 Sugar does not fully replace honey, 



5 

 Swarm, behaviour of, 160 



cluster, how held together, 123 

 Swarming, 28 

 Sympathetic system, 55 

 Syrphkte and aphis, 277 

 Syrup, thick, slowly taken, 101 

 System No. 1, No. 2, and No. 3, 



gland, illustrated, 75 



