INDEX. 



333 



Jelly, royal, 82, 2 



J- 



43 



K. 

 Kalmia latifolia, 289 

 Knotted figwort, 284 



L. 

 Labial palpi, 91 

 Labiatse, 309 

 Labium, 91 

 Labrum, 90 



Ladybird enemy of aphis, 276 

 Lamellae of colon, 62 

 Lamium album. 309 

 Larva, bowel of, how developed, 63 



casts bowel, 21, 241, 243 



development, 19, 239 



food of, 81 



in egg, 64 



moulting, 20, 243 



sealing of, 21, 180 



weight of, 20, 50 

 Legs, antenna cleaner of, 129 



as tool bearers, 127 



eyebrush of, 128 



muscles of, 123 



of queen and drone, 132 



pollen basket of, 131 



use of spur of, 130 



velum of, 128 

 Leguminosse, 305 

 Leuwenhoek's experiment on sight 



in insects, 115 

 Ligula, artificial distension of, 99 



central and side ducts of, 95 



rod of, 97 



rod of, thrown out by blood, 98 



structure of, 92 

 Linum grandiflorum, 299 

 Lubricating gland of sting, 192 

 Lythrum salicaria, 300 



M. 



Malpighian vessels, 61 



Mandibles, 90, 169 



Maraldi's reputed measurement 



mythic, 165 

 Marey on wing movements, 146 

 Mastication of wax scales, 157 



Maxillae, 91, 94 

 Maxillary palpi, 92 

 Megachile centuncularis, 9 

 Membrane of ligula, 95 

 Mentum, 91 



Meso-cephalic pillars, 89 

 Mesophragma, 88 

 Metatarsus of third leg, 131 

 Micropylar aperture of seed, 258 

 Micropyle of egg, 231 

 Microscope, dissecting, 74 

 Microscopic dissection of brain, 52 



images produced by cornea of 

 bee, 115 

 Midrib of comb, 161 

 Monoecious plants, 260 

 Mosaic vision, 1 15 

 Moulting, 20 



Mounting spermatozoa for micro- 

 scope, 201 

 Muscles of legs, 123 



of outer jaw, 43 



of stomach-mouth, 67 



protractor linguae, 9 

 Muscular contraction, 41 



structure of sting, 187 



system, 40 



N. 

 Nature, unity of, 12 

 Nectar, conditions favourable to its 

 secretion, 264 

 converted into honey, 100, 263 

 protected by hairs, 282, 294,313 

 unloading of, 18, 67 

 Nectaries of aphis, 271 



of flowers, 264, 268, 325 

 position of, 265 

 Nerve of taste, 78 

 system, 45 



system of larva and imago dif- 

 ferent, 50 

 Nervures of wings, 135 

 Notch on front leg, 129 

 Nurse bees, 19 



bees have gland No. 1 large, 8 1 

 Nymph, or chrysalis, 23, 240 



O. 



Obturator muscle of spiracle, 150 

 Ocelli of bee, 116 



