Index. 



721 



330 : experiments with annulatcd 

 species, 336 ; sexual dimorphism 

 of, 308, 527, 534 ; independent 

 variability of stages, 416. 



Cfddomyia, metagenesis of, 82, 586. 



CJuerocamfia. C. elpenor and C. 

 porcellus, relationship of, 171 ; 

 markings of larvae of the genus, 

 177 ; C. elpenor, ist and 2nd 

 larval stages, 178 ; 3rd and 4th 

 stages, 1 80; 5th stage, 181 ; 6th 

 stage, 183 ; C. porcellus, ist 

 larval stage, 184; 2nd and 3rd 

 stages, 185 ; 4th stage, 186 ; C. 

 elpenor and porcellus, larval 

 markings compared with other 

 species of L'Juerocampa, \ 88 ; C. 

 elpenor, experiments with larva, 

 33 !> 33 2 5 C. Japonica and C. 

 Lewisii, larvae, 194 ; C. cretica, 

 larva, 524 ; C lycetus, larva, 

 527 ; C. capensis, larva, 529, eaten 

 by birds, &c., 530. 



Characters, new, backward trans- 

 ference of, 279. 



Chauvin, Fraulein von, experiments 

 with Axolotl, 558 ; experiments 

 with Salainandra atra, 615. 



Chavannes, figure of larva referred 

 to, 255. 



Clarke, development QtAmblystoma 

 Punctatum, 623. 



Classification, objects of, 168. 



Claus, on the origination of hetero- 

 genesis, 89. 



Clemens, larva of A. ello, 268. 



Climatic variation, 45 ; in P. Napi, 

 47 ; in E. Bella, 47 ; nature of 

 causes producing, 52, 105 ; in- 

 fluenced by sex, 61,62 ; climatic 

 varieties very distinct from local, 

 45 ; climatic influences operate 

 slowly, 58 ; climatic changes 

 gradual, 652, 660. 



Cole, H. G., seasonal dimorphism 

 of E. punctaria, 4. 



Coleoptera, grub-like larvae of, 495. 



Colias edusa, dimorphism of female, 

 250. 



Colour, biological value of, 289. 



Conditions of life, compulsory 

 changes in, 651. 



Congruence in Lcpidopterous 



families, 435 ; in Lepidopterous 



genera, 444. 

 Coniferae, food-plants of Anceryx, 



268. 

 Convergence of characters in 



Ophiuroidea, 396 ; in Dipterous 



larvae, 494. 

 Cope, Prof., habits of Stredon 



Mcxicanus, 566 ; on distribution 



of Amblystoma, 569. 

 Correlation of growth, 278, 363, 



388, 415; action of, 415, 516; 



Von Hartmann's views of, 670 ; 



nature of, 673. 



Cryptobranchus, characters of, 579. 

 Cyclical propagation, 82, 699 ; and 



reversion, 613. 



D. 



DAPHNIACEA, differences between 

 allied species and genera, 516. 



Darwin, C., influence of external 

 conditions of life, 59 ; inheritance 

 at corresponding periods, 63, 

 275, 43' ; markings of butterflies, 

 101 ; definition of eye- spots, 326 ; 

 adaptation in larvae, 392 ; corre- 

 lation of growth, 516; degenera- 

 tion, 583 ; adaptation, 589 ; 

 causes of sterility, 596 ; limited 

 variability, 656 ; factors of varia- 

 bility, 676 ; abrupt variations, 

 701. 



Degeneration, 583 ; phyletic, 611. 



Deilephila, division of larvae into 

 groups, 199 ; D. Euphorbia, ist 

 larval stage, 202 ; 2nd and 3rd 

 stages, 203 ; 4th and 5th stages, 

 205 ; D. nicaa, larva, 207 ; D. 

 dahlii, larva, 208 ; D. vespertilio, 

 larva, 209 ; D. Galii, larva, 211, 

 5th stage, 213 ; D. lii'ornica, 

 larva, 215 ; D. Zygophylli, larva, 

 217 ; D. Hippophaiis, larva, 218, 

 650 ; division of larvae according 

 to phyletic stages, 223 ; genealogy 

 of, 358 ; D. Galii, larva rejected, 

 340 ; D. Euphorbia, larva eaten, 

 340 ; habits of larva? and 

 imagines, 412 ; D. Kobertu, 

 larva, 525. 



