INDEX. 



439 



CHE 



Clirninum, rarely mo.re than one 

 specimen of, in an ants' nest, 78 



Christ, M., on the length of life of 

 queen ants, i) ; on ant roads, 25 



Chrome alum, experiments as to 

 ant vision with, 217 



Chromium chloride, experiments 

 with, 217 



Claparede, M, as to insect-vision, 

 183 



Clark, Rev. Hamlet, as to an ant- 

 tunnel in S America, 25 



Claviger, a blind beetle, a guest 

 in ants' nests, 75, 76 ; experi- 

 ments with, by M. Lespes, 90 



Cleanliness of ants, 29 



Coccidcp, their use to ants, 68 



Cocoons spun by some larvaj of 

 an's, 7 



Colohopsis trioicata and C.fuxipes, 

 two forms of the same species, 

 20 



Colour-sense of ants, 186, &c. ; of 

 bees, 291, &c. ; of wasps, 316; 

 less developed among wasps 

 than bees, 321 



Colours of flowers, evolution of, 

 308 



Communication, power of, among 

 ants, 153, &c. ; among bets, 

 156; experiments as to, with 

 ants, 160, 344,376; with bees, 

 276, 401 ; with wasps, 311, 415 



Communities of ants, 24 ; power 

 of mutual reco.nition among 

 members of, 1 19, 333 



Compassion among ants, instances 

 of, 106, 108 ; absence of, among 

 bees, 286 



Co-operation, experiments as to, 

 among ants, 365-376 



Correlation of form of knot with 

 stinging power in ants, 13; of 

 colour in (lowers with specialisa- 

 tion of form, 308 



Courage of ants, 27; of wasps, 

 314 



ihrenidtogaKtrr Miirolu/a, adoption 

 of a queen by, 34 



DUJ 



CTcmatogaster nciitellaris, theit 

 neglect of friends in trouble. 

 98 ; experiments as to percep- 

 tion of colour among, 192 



— sordidula, threatening attitude 

 of, 16 



Cross-fertilisation effected by in- 

 sects, 50 



T^APIINfA, limits of vision in, 

 -L-' 219 



Darkness, education of Aoung 

 ants conducted in, 5 ; effect of, 

 on the eyes of Platijarthrus and 

 Beokia, 75 



Darwin, on the sound produced 

 bv Mutilla, 229 



— Francis, on the use of the leaf- 

 cups of teazle, 52 



Dead, treatment of the, among 

 bees, 287 



Defences of flowers against un- 

 bidden guests, 52-7 



Degradation of Strongylogt'athiis, 

 85 ; caused by slavehokling, 89 



Devvitz, Dr., on the non-develop- 

 ment of the sting in the For- 

 micidiE, 14 ; on eggs laid by 

 fertile workers, 36, 40 



B'lnarda dentata in ants' nests, 

 76, 77 



Bipmcus sylvestris, leaf -cups of, 52 



Direction, sense of, among ants, 

 260 ; guided by the position ol' 

 the light, 268 ; sense of, among 

 bees, 278; among wasps, 321, 

 420 



Discs, atrophy of imaginal, iu 

 worker ants, 12 ; cleared by 

 harvesting ants, 61 ; experi- 

 ments as to sense of direction 

 with rotating, 261, kc. 



Division of labour among ants, 

 23, 44 ; tabular view of experi- 

 ments on, 324 



Domestic animals of ants, 68-78 



Driver ants, see Aiionima arei'im 



Dujardin, M., as to the power oi 



