4o8 



ANALYTICAL IXDP:X 



mutual approach between model and 

 mimic in, 344, 345. 



Hyatt. H. A., on //. misippus and 

 its model, 216 n. I. 



Byblia {Ilypanis) ac helot a {got- 

 zius), 87 ; — goizius, 341 ; — 

 ilithyia^ 34 1. 



Cadus^ii, the model of E. lais upper 

 side, 35*3. 



Ciuiugii tytia^ 371. 



caffer, Coicystes, Papilio demodo- 

 cus found in stomach of, 2S3. 



C'idl>umJ^olyi^onid{Uriif>ta),vcit2in- 

 ing of ' comma ' of, 203-5. 



Calcispongiae in the Palaeozoic, 28. 



Calliimesiii of the Chalcosiifiae 

 {Zygaenidiu), Miillerian mimics of 

 Euploeitiae, 372, 376. 



CallamesUi midama^ 372, 376. 



CalliLhyominae^ mimicry of Hy- 

 menoptcra by, 252. 



Citllioratis beliatrix, 284. 



ciivtij, Athyma {Pantoporia), pro- 

 bable ancestor of A. punctata^ 382; 

 Oriental localities of, 382. 



Cambrian, origin of Vertebrates in 

 pre-Cambrian or, xliii, 26, 30, 31 ; life 

 long antecedent to, 6 ; thickness of 

 deposits from, 16: Coelomate phyla 

 in, 30; specialized forms in, 30, 31 ; 

 Crustacea of the, 39, 40 ; dominance 

 of Trilobites in, 39 ; Ostracodcs in, 

 39; Mollusca in, 41,42; Ciastropoda 

 in, 42 ; Cephalopoda in, 42 ; Kchino- 

 derma in, 43. 



Cameroons, type f. of L. chrysippus 

 occurs very rarely in, 321 n. i. 



Campbellpore, dorippus f. of L. 

 chrysippus at, 70 n. 2. 



Cambridge, Trinity College, J. C. 

 Prichard a member of, 173. 



Cambridge Zoological Museum, 

 A. H. Thayer's model in, 299. 



Canada, 270, 274. 



Canara, dorippus f. of L. chrysip- 

 pus rare in, 70 n. 2. 



Cantharidae mimicking Lycidae, 

 276. 



Cape, L. chrysippus at, 88. 



Cape Town Museum, ^"j. 



caphyracforffiis, Ascidiophilus^ 

 living in an Ascidian case, 357. 



Carboniferous, size of dragon-fly of 

 the, 18 ; Foraminifera of, 27 ; sponges 

 of, 28 ; Myriapoda of, 34 ; insects of 



upper, 35-8; Arachnida of, 40; 

 Pedipalpi of, 40; scorpions of, 40; 

 spiders of, 40 ; land-plants of lower, 

 44. 



cardui^ Pyrameis^ wide range and 

 great uniformity of, 85. 



iiirinata^ Echis^ swishing sound 

 made by, 324. 



Carnegie Institution of Wash- 

 ington, xix n. 5, xxii. 



Carnivora, aggressive resemblances 



of, 312. 3J3- 



Carpenter, /'. phlacas bred by, 87 



n. I. 



Carrier and tumbler pigeons, fertile 

 progeny of, 78. 



Carus, Victor, letter from C. Darwin 

 to, xl n. 3. 



Castniidae mimicking Ithomiinaey 

 243,' 264 ; method of attaining trans- 

 parency in, 266. 



castor, Fapilio, male of mimics 

 Pap. chaon, female mimics Crastia 

 core, 372. 



Castration, effect of,upon secondary 

 sexual characters, 122, 380. 



Catalogue of the Leech Collec- 

 tion, R. South, 382. 



Caterpillars (for other than Lepi- 

 dopterous larvae see larvae : see also 

 larval stage): reasons for passive 

 defence of, 1 56. 



— Procryptic adaptations of:— 

 variable protective resemblance in, 

 I 52-4 ; value of slow' colour adjust- 

 ment to, 305 ; colour adjustment to 

 various backgrounds, including lichen- 

 covered bark, 306, 307 ; gregarious 

 habits in conce;Ument of, 304 ; value 

 of dimorphism in, 310; movements 

 essential to cryptic defence of certain, 



318, 323 ; value of ' sham death ' in 

 concealment of, 323. 



— Transition between procryptic 

 and aposematic defence in: — double 

 protection oi C. vcrbasci, 318 ; tran- 

 sition from cryptic to aposematic 

 defence caused by movements of, 



319, 320. 



— Aposematic adaptations of: — 

 value of * sham death ' in aposematic 

 defence of, 323, 324 ; gregarious habits 

 of certain aposematic, 323 ; move- 

 ments essential to aposematic defence 

 of certain, 319, 323, 324; value of 

 * tussocks ' of, 325, 326. 



— Mimetic adaptations of (see also 



