ANALYTICAL IXni-:x 



dommicafius^ f. oiA?naHrisni(ivius, 

 a dominant model in E. Africa, 336 ; 

 replaced by type f. of niavius at 

 V. Nyanza, 68, 69, 338 ; correspond- 

 ing changes in Papilionine and 

 Nymphaline mimics, 338 ; mimicked 

 by }nppocoo7i female f. of E. and S. 

 Pap. dardanus, 374, 375 ; and 

 roughly by the tri7?ie?ti female f. of 

 two sub-sp. of Pap. da?'da?tus, 374 

 n. 2. 



dojHtincula, Sjcberites, carried by 

 Pagurus ctcane?isis, 357. 



Dorfmeister on seasonal changes 

 of Lepidoptera, 311. 



dorippus ( = khtgii), f. of Limnas 

 dirysippus, distribution of, 70, 71 ; 

 suggested interpretation of, as pro- 

 cryptic adaptation to desert, 321, 

 321 n. I. 



Dormouse, value of tail of, 325. 



doubledayaria^ a black mutation 

 q{ A. be till aria, 309. 



Draco7iia rusina, 302. 



Dragon-flies, great size of Car- 

 boniferous, 18, 37 ; attacked by bee- 

 eaters, 287 ; wings of, in nest of 

 Microhierax, 290, 291 ; attacking 

 specially defended insects, 318. 



dravidarum, Papilio, mimicking 

 Crastia core, 372. 



Driesch, experiments of, on egg of 

 Sea-urchin, 130. 



Drone-fly, see Eristalis, 243-4. 



Drongo capturing butterflies, 283, 

 284 ; capturing and rejecting dis- 

 tasteful moths, 284. 



Drurya, see Papilio, 366. 



Dry season a time of special stress, 

 148,208-11,311,317,320,326; form 

 of butterflies' wings in, 206, 207, 310, 

 311 ; butterflies of, especially well 

 concealed, 207-11; cryptic forms of 

 Precis in, 208, 320, 339-41 ; butter- 

 flies of, prone to hybernate, 209 ; 

 more alert and active, 209; life of 

 the, 209 ; eye-spots withheld in, 210, 

 211, 326; warning colours less 

 developed in, 317; concealment 

 necessary in the, 320 ; the desert 

 a permanent, 321. 



Dryness, see External Causes. 



Diine, near Heligoland, colour of 

 grasshopper in, 307. 



Durban, Natal, 52 n. i, 71 n. i, 

 72, 72 n. I, 283. 



Dynamic Conditions, rapid colour 



419 



adjustment a response to, 304, 305 ; 

 synlechnic resemblance caused by 

 similarity in, 312. 



Ears and tails, nuitilaiions of, not 

 hereditary, 180, 181. 



Earth, Age of thi:, i:ss;iy I, 

 1-45. 



Earth, changing shape of, 8 ; rota- 

 tion and shape of, 8, 9; cooling of, 

 9-13; conductivity in interior of, 

 10-13 ; higher density of interior of, 

 II ; protective (procrypiic) resem- 

 blance to colour of, 155,298, 307, 31 y, 

 323 ; allanticryptic use of, by Ccrati*- 

 phrys, 313. 



Earthworms, 27. 



East Africa, see Africa East. 



East Brazil, see Brazil East. 



Eastern Origin of the Celtic 

 Nations, J. C. Prichard, 173. 



cchcria and albimacitlata, Amau- 

 ris, Natal mimics of, in Hope 

 Department, 249 ; Western Amauris 

 mimicked by, 335, i^-] \ dominant 

 models in E. Africa, 336 ; mimicked 

 by ce7iea female f. of three sub-sp. of 

 P. dardajius {jneropc), 337, 338, 355, 

 374 ; by female of Pap. echerioides, 



375- 



echerioidcs, Paptiio, female of, 



mimicking A)nauris albifnaculata 



and echeria, 375. 



Echinoderm (Echinus), Dricsch's 

 experiments on egg of, 130. 



Echinoderma, 25 ; small advance 

 in geological time of, 28 ; of early 

 Palaeozoic, 30 ; early records of all 

 except Holothurians, 43 ; earliest 

 forms of, not primitive, 43 : classes 

 of, in Cambrian, 43. 



Echinoids in early Palaeozoic, 30. 



Echis carinata, 324. 



Ecuador, Bolivia, and Peru, rolours 

 of the chief lihoniiinc-ccntrrd com- 

 bination in, 351. 



Ecuador, form of Mctliotia nm/usa 

 and Pierine mimic in. 265, 266. 



Edinburgh, J. C Prichard an MJ>. 



of, 173- 



Edinburgh Review, 56, 66. 



*Educabiliiy' a hereditary. • i- 

 tal character, 165; as opp^.^v^ 10 

 instinct, 165. 166. 



Education, results of, not here- 

 ditary, 136, 165, 166-7; value of 



E e 2 



