

; , 



en 



C%mmimm, rarely more than one 

 specimen of, in an ants' neat, 78 



Christ, M., on the length of life of 

 queen ants, 9 ; on ant m;. 



Chrome alum, experiments a* to 

 ant vision with, 317 



turn chloride, experiments 

 with, 217 



Qaparede, M, as to insect-vision, 

 183 



Clark, Rev. Hamlet, as to an ant- 

 tunnel in 8. America, 25 



ClavigfT, a blind beetle, a guest 

 nests, 75, 76; experi- 

 ments with, by M. Lespes, 90 



Cleanliness of ants, 29 



Cocridtr, their nse to ants, 68 



Cocoons spun by some larvae of 

 ants, 7 



Coloboprit truntabi and C.furiju-t, 

 two form* of the same species, 

 20 



Colour-sense of ante, 186, tec. ; of 

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

 leas developed among wasps 

 than bees, 321 



Colours of flowers, evolution of, 

 308 



Communication, power of, among 



ants, 163, kc. ; among bees, 



156; experiments as to, with 



ants, 160, 344. 376; with bees, 



. 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 



0668,286 



Co-operation, experiments as to, 

 among ants, 365-376 



Correlation of form of knot with 

 stinging power in ants, 13; of 

 colour in flowers with specialisa- 

 tion of form, 808 



Courage of ants, 27; of wasps, 

 314 



C-rfmatogatter iintolata, adoption 

 of a queen by, 34 



DUJ 



Cnmatogtuter *rutfllar\t, their 

 neglect of friends in trouble, 

 98 ; experiments as to percep- 

 tion of colour among, 192 



*>rdidula, threatening attitude 

 of, 16 



Cross-fertilisation effected by in- 



TTkAPHNIA, limits of vision in, 



** 219 



Darkness, education of young 

 ants conducted in, 5 ; effect of, 

 on the eyes of Platyarthrvt and 

 Jteckia, 75 



Darwin, on the sound produci-il 

 by .Vvtilla, 229 



Francis, on the nse of the leaf- 

 cups of teazle, 62 



Dead, treatment of the, among 

 bees, 287 



Defences of flowers against un- 

 bidden guests, 62-7 



Degradation of StrongylMfiiathv*, 

 85 ; caused by slaveholdiug, 8l> 



Dewitz, Dr., on the non-develop- 

 ment of the sting in the Fr- 

 micidae, 14 ; on eggs laid by 

 fertile workers, : 



Dinar da dtntata in ants' nests, 

 76,77 



Dipiaevi tylrettrit, leaf -cups of, 62 



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 imaginal, in 

 worker ants, 12; cleared by 

 harvesting ants, 61 ; experi- 

 ments as to sense of direction 

 with rotating. 261, kc. 



n of labour among art*. 

 23, 44 ; tabular view of experi- 

 ments on, 324 



Domestic animals of ants, 68-78 



Driver ants, see A momma arentt 



Dujardin, M., as to the power ol 



