Language of bees 291 Mr. Knight's opinion _ib._ M. Huber's _ib._ his experiments _ib._ Larvæ 10 food of _ib._ progressive growth of 12 motions of 15 voraciousness of 12 inclosure or sealing up of 11 commencement of spinning cocoon _ib._ worker may become royal 19 Leaf-hives 102 Dunbar's 103 Huber's 105 Hunter's 102 Reaumur's _ib._ Leaven, artificial 242 natural 240, 242 Locusts, female, destroyed by males 46 Longevity of bees 296 extraordinary duration of a colony 298 Mead, antiquity of 236 Braggot, or common 245 directions for making 244 esteemed by our ancestors 237 ideal nectar of the Scandinavians _ib._ Memory of bees 260, 314 Reimar's opinion 333 Metys 378 Mortality among bees and wasps 186 Moth-wax 199 eggar, anecdote of 306 hawk. _Vide_ Hawk-moth. Motions of insects 274 instances of extraordinary power of 275 Nadir-hiving 124, 151 Nutrition 272 Nymph 12 resemblance to a mummy 13