420 



ANALYTICAL INDEX 



research in, 198, 199; of enemies 

 facilitated by warning colours and 

 Miillerian mimicry, 166-8, 212-15, 

 222, 278, 327-31, 339. 



edusa, Colias, choice of resting- 

 site by, 301. 



Ega, Upper Amazon, colour of the 

 chief Ithomiine-cenlred mimetic com- 

 bination at, 273, 351. 



Egg, individual characteristics pre- 

 determined in the, xxxvi, xxxvii, 

 xxxvii n. I, 132-5, 183. 



Experiments, &c., on, by Roux, 

 128-30 ; T. H. Morgan, 129 ; 

 Hertwig, 129; Schulze and Wetzel, 

 129; Herlitzka, 130; Driesch, 130; 

 J. W. Jenkinson, 130 ; Boveri, 131. 



Diagrams of development of, 

 described, 123-8, 130-4. 



Eggs of S. ocellatus, derived 

 chlorophyll in, 314, 314 n. 2. 



Eimer, Prof. G. H., on Natural 

 Selection not creative, xxii ; on in- 

 stincts of Fossorial Hymenoptera, 

 162 ; on internal causes of mimicry, 

 224. 



Elaps mimicked by harmless 

 shakes, 367. 



Elephant Hawk moth, see elpenor, 

 Choerocampa, 319, 326, 367-8, 376. 



elgiva, Precis, under side pro- 

 cryptic in both wet and dry seasons, 

 340 ; S. African habitat of, 340. 



eliminata, Sarangesa, captured by 

 Bradyornis mariquensis, 283. 



Elimination of shadow, Thayer's 

 discovery of the, 299, 300 ; adjust- 

 able form of, 300; in aggressive 

 resemblance, 313. 



elpenor, Choerocampa, transition 

 from cryptic to pseudaposematic 

 defence in larva of, 319, 368; proof 

 of terror inspired by snake-like larva 

 of: superstitious fear of, 367, 367 

 n. 2 : see also 326 ; lizard terrified by, 

 but ultimately devoured larva of, 367 ; 

 mimetic resemblance of Batesian, 

 367, 376. 



Elymnias caudata, 373; cot- 

 tonis, 373, 373 n. 2 ; (Melynias) 

 lais, 353 ; leucocyma (Melynias 

 malelas), 372 ; undularis, 373. 



Elymniinae (see also Elymnias \ 

 see also classification of examples of 

 mimicry, 284-8): often united with 

 Satyrinae, 353 ; almost every species 

 of, mimetic, 353 ; females, except in 



Africa, often better mimics than males, 

 353; under surface sometimesmimetic, 

 sometimes procryptic, 353 ; a few 

 species of, aposematic or doubtful, 3 5 3 ; 

 R. Shelford on habits of Bornean 

 E. lais, 353 ; compared with Proto- 

 gonius, 353, 354 ; mimetic common 

 ancestor of genus suggests Miillerian 

 interpretation, 354 ; latter interpreta- 

 tion merely tentative, 352. 



Elytra, reduction of, in mimetic 

 Longicorns, 252. 



Embryo, inoculated by disease 

 germs, 136. 



Embryology, unreasonable dis- 

 paragement of, by Bateson, xlii, xliii ; 

 experimental, 128-30. 



Empire and science, 169. 



encedon, Acraea, three forms of, 

 mimicking three forms of L. chrysip- 

 PUS, 355; three forms of mimic 

 transitional, while two out of three 

 corresponding forms of model are 

 sharply marked off, 364, 365 n. I ; 

 alcippina f. of, perhaps developed in 

 W. Africa as mimic of alcippus f. of 

 L. chrystppus, 364. 



Encyclopaedia Britannica, 173, 



293- 



Endromis versicolor, 238. 



Enemies of Lepidopterous Pu- 

 pae enclosed in bark-formed 

 Cocoons, E. B. Poulton, 159, 159n. i. 



Enemies (see also birds and evi- 

 dence): of pupae in cocoons, 158, 159; 

 education of, helped by insect warn- 

 ing colours and Miillerian mimicry, 

 166-8, 212-15, 222, 278, 327-31, 339. 

 366 ; effect upon insects of struggle for 

 life in young, 167, 167 n. 2, 168, 328 ; 

 of insects in the dry season, 209 ; 

 confused and attention diverted by 

 bright hind wings, 303, 304 ; animals 

 with warning colours attacked by 

 special, 317, 318 ; not deceived when 

 model and mimic occupy different 

 stations, 349 ; judgement of relative 

 size by young, 366; hardness com- 

 pared with other defences against, 

 370. 



English colonists unchanged after 

 many generations in the tropics, 178. 



Entebbe, V. Nyanza, hermaphro- 

 dite planemoides, female f. of Pap. 

 dardanus, taken at, 374 n. 3. 



Enterozoa (Metazoa), place of, in 

 classification, 25. 



