INDEX. 



439 



CHE 



Jhenniwrn, rarely more than one 

 specimen of, in an ants' nest, 78 



Christ, M., on the length of life of 

 queen ants, 9 ; on ant roads, 25 



Chrome alum, experiments as to 

 ant vision with, 217 



Chromium chloride, experiments 

 with, 217 



ClaparSde, M, as to insect- vision, 

 183 



Clark, Eev. Hamlet, as to an ant- 

 tunnel in S, America, 25 



Clnviger, a blind beetle, a guest 

 in ants' nests, 75, 76 ; experi- 

 ments with, by M. Lespfes, 90 



Cleanliness of ants, 29 



Cocddce, their use to ants, 68 



Cocoons spun by some larvae of 

 ants, 7 



Colohopsis truncatn, and C.funpes, 

 two forms of the same species, 

 20 



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

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

 less developed among wasps 

 than bees, 321 



Colours of flowers, evolution of, 

 308 



Communication, power of, among 

 ants, 153, &c. ; among bees, 

 156; experiments as to, with 

 ants, 160, 344, 376 ; with bees, 

 276, 401 ; with wasps, 311, 415 



Communities of ants, 24 ; power 

 of mutual recognition among 

 members of, 119, 333 



Compassion among ants, instances 

 of, 106, 108 ; absence of, among 

 bees, 286 



Oo-operation, experiments as to, 



among ants, 365-376 

 'orrelation of form of knot with 

 stinging power in ants, 13; of 

 colour in flowers with specialisa- 

 tion of form, 308 



Jourage of an Is, 27; of wasps, 

 314 



Ih-ematogaster UneoJata, adoption 

 of a queen by, 34 



Crematbgaster seutellans, theil 

 neglect of friends in trouble, 

 98 ; experiments as to percep- 

 tion of colour among, 1 92 



— sordidwla, threatening attitude 

 of, 16 



Cross-fertilisation effected by in- 

 sects, 50 



T\APnNIA, limits of vision in, 



-*^ 219 



Darkness, education of young 

 ants conducted in, 5 ; effect of, 

 on the eyes of PlatyaHhrm and 

 BeoMa, 75 



Darwin, on the sound produced 

 by 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, 62-7 



Degradation of St'/ongyloginttth'ut, 

 85 ; caused by slaveholding, 80 



Dewitz, Dr., on the non-develop- 

 ment of the sting in the For- 

 micidffi, 14 ; on eggs laid by 

 fertile workers, 36, 40 



Sinarda dentata in ants' nests, 

 76,77 



Dipsacvs sylrestris, leaf -cups of, 52 



Direction, sense of, among ants, 

 260 ; guided by the position of 

 the light, 268 ; sense of, among 

 bees, 278 ; among wasps, 321 

 420 



Discs, atrophy of iraaginal, ii 

 worker ants, 12 ; cleared bj 

 harvesting ants, 61 ; experi- 

 ments as to sense of direction 

 with rotating, 261, &c. 



Division of labour among ants, 

 23, 44 ; tabular view of experi- 

 ments on, 324 



Domestic animals of ants, 68-78 



Driver ants, see Anomma a/re^nt 



Dajardin, M., as to the power of 



