t4C 



INDEX, 



£BR 



oommanica'ion among bees, 156, 

 313 



I7BRARD, M., his observations 

 J as to the origin of ants' nests, 

 31 

 Eciton, the pye in, 11 



— drepamopJiora, their order in 

 marching, 21 



— erratiea, soldiers among, 21 ; 

 their covered galleries, 66 



— legwnis at play, 29 



— vastator, sol(ier3 among, 21 ; 

 their covered galleries, 65 



Economy of laboar among ants, 

 experiments as to, 240, &c. 



Eggs of ants described, 6 ; laid 

 occasionally by worker ants, 35 ; 

 by worker bees and wasps, 36 ; 

 these always produce males, 37 ; 

 as to di.ierence of sex in, 40 ; 

 of aphis, tended by ants, 69 ; 

 and hatched in captivity, 71 



Electric light, experiments on ants 

 with, 200 



Emery "s observations on Colobopsis, 

 20 



Enemies of ants, 26, 67 



Evolution of colour in flowers, 308 



Experiments, as to the adoption of 

 a queen by ants, 32 ; as to di- 

 vision of labour among ants, 23, 

 44, 324 ; as to thiir care of 

 aphis-eggs, 70 ; on Claviger, 90 ; 

 as to the treatment by ants of 

 injured companions, 94, 107 ; 

 with chloroformed ants, 98, 

 108-111; with drowned ants, 

 !'9; with buried an's. 102; as 

 to treatment of stranger ants, 

 i;t, 119, 124 333; as to mode 

 of recognition, 108; with in- 

 toxicated ants. Ill 118; as to 

 power of recognition among 

 ants, 1 19, 333 ; and among bees, 

 126; wiih ant-pupse removed 

 from nest, 129-147 ; on sister- 

 ante brought op separately, 147- 



FOO 



152, as to power of communl 

 cation among ants, 160-181, 

 344-376 ; among bees, 274, 401 ; 

 among wasps, 311, 415; as to 

 perception of colour, 186; with 

 coloured solutions, 194; with 

 spectrum, 198 ; with the electric 

 light, 201 ; as to ultra-violet 

 rays, 200-220 ; with magnesium 

 spark, 207 ; as to sense of hear- 

 ing among ants, 222 ; among 

 bees, 290 ; as to sense of smell 

 among ants, 233, 258 ; among 

 bees, 288 ; as to ant intelligence, 

 237 ; as to economy of labour, 

 241 ; as to ingenuity among 

 ants, 243-6 ; as to their power 

 of finding their way, 250 ; as 

 to means of tracking. 1 68, 383, 

 387 ; as to sense of direction 

 among ants, 260 ; among bees, 

 278 ; and among wasps, 321 ; as 

 to guidance of ants by sight, 

 266 ; as to the behaviour of 

 bees in a strange hive, 281; as 

 to their compassion, 286 ; as to 

 their colour sense, 291 ; and 

 their preference of certain 

 colours, 302 ; as to colour sense 

 among wasps, 316 

 Expulsion of ant from nest, 98 

 Eyes of two kinds in ants, 10 ; 

 compound, 182 ; various de- 

 velopments of, 183 



FACETS of the eye in ants, 

 number of , 1 1 ; described, 1 82 



Feeding, luss of instinct of, 76, 83, 

 87 



Fertilisa' ion of plants by insects. 

 50, 291 



Fighting among ants, dilTerent 

 modes of, 17 



Flowers, their defences against 

 unprofital.le insects, 51-55; in- 

 fluence of bees on their develop- 

 ment, 291 ; paucity of blue, 308 



Food of ants, 25, 63 ; its effect ir 



