INDEX 



A. 



Abdomen, rings of, 31 

 Abdominal plates, 153 

 Abnormal bees, 208 

 Accouplement in confinement im- 

 possible, 206 

 Air sacs, 35 



sacs filled by flight, 148 

 Albino drones, 1 1 7 

 Anaphis, 44 

 Andrenidae, 8 



tongue of, 100 

 Angles of comb, 164 

 Anguiculi, 124 

 Antennse, 20, 30, 103 



cleaner, 129 



of catasetum, 319 

 Anthers, 252 



appendages of, 293 



hiding, 285 



movements of, 281, 283, 296 



on elastic filaments, 290 



retrorse, 314 

 Ants fond of aphide honey, 276 

 Aphide honey, 270 

 Aphides, 271 



dissection of, 274 



eggs of, 273 



endure cold, 273 



formed by interior budding, 



273 

 how to reduce, in number, 276 

 number of progeny of, 274 

 number of species of, 272 

 ovaries of, 274 



Aphidius rosas, 278 

 Apidae, 8 

 Appendicular gland, 224 



gland intracellular, 225 

 Apple blossom, its structure, 322 



needs five fertilisations, 323 

 Appliances too numerous, 5 

 Arbutus Unedo, 295 

 Armor copulatrix, 202 

 Artificial pollen, 126 

 Ascending and descending flight, 



143 



Aucuba japonica, 260 



Aura seminalis, 236 



Automatic movements of pulvillus, 



127 



B. 



Backward flight, 141 



Barberry, 297 



Barbs of sting, 186 



Bee, antenna? of, 20, 30, 103 



Bees as fertilisers, 277 



as florists, 320 



as fruit-producers, 322 



blood of, 81 



brain of, 52, 55 



carry pollen of one kind, 319 



chrysalis of, 23, 238 



claws of, 124 



colour sense of, 116, 321 



decorated by orchids, 317 



digestive system of, 57 



gather aphide honey after rain, 



& 2:6 



