4i6 



ANALYTICAL INDEX 



xl n. 3 ; on Charles Darwin's work on 

 heterostyled plants, 90, 91 ; on the 

 Knii^ht-Darwin Law, 92 ; J. C. 

 Prichard as an evolutionist, con- 

 sidered by A. C. Seward and, 174 

 n. 2, 175 n. 1. 



Darwin, Sir Georj^e, on tlic life of 

 the sun, 15; on trunks of fossil trees, 

 18, 19. 



Darwin-Wallace theory and the 

 joint essay (1858), 95-7, 194 6: see 

 also xxxvii n. 2, 48, 58, 200, 222, 379. 



Darwinian Theory, see Natural 

 Selection. 



Darwinians and Mutationists, 

 essential tiifference between, xxxviii. 



Darwinism, A. K. Wallace, 92, 

 93,226,362,380. 



Darwinism, parodies of, 102-4. 



Davidson, note of, on nest of 

 Microhicrax containing insects' 

 wings, 290, 291. 



Davis, Dr. Maurice, J. P., first 

 perception of significance of Prichard's 

 writings on heredity by, 174. 



Dawnat Range, Burma, 287. 



Dawson, Sir William, on Eozoon, 

 28. 



Day, change in length of, 7, 8. 



Day-flying moths mimicking butter- 

 flies, 249, 250. 275, 276, 372, 376. 



Daylight and cryptic colours, 

 instincts, &c., 303. 



Dead leaves of wet and dry 

 seasons respectively resembled by 

 seasonal phases of butterflies, 206, 

 207, 310, 311. 



Dead Leaves, points in the 

 Resemblance OF Buiterflies to, 

 VIL 203-6: see also 206-8, 289, 

 299. 3oo» 300 n. 5, 310, 311, 322, 



351.353- 



Dead leaves, protective f procryptic) 



resemblance of moths to, 299, 302 ; 



of Locustid to, 302, 



Deal, colour of CUonus on sand- 

 hills near, 307. 



Deccan, dorippus f. of Z. chry sip- 

 pus unknown in, 70 n. 2. 



Deductive Biology, Sir W. 

 Thiselton-Dyer, xlvii, xlvii n. I. 



Deep-sea fishes, phosphorescent 

 lures of, 378. 



Deer, Red, recognition marking of, 



357. 



Definition of Species by 

 Diagnosis, IL 65-8. 



Definition of 'Acquired 

 Chakactiks', V. 140-4 



Definition of instinct, 154. 



Definition of Mimicry, 35S-61. 



Definition of Mutation, xvii, 

 xvii n. 2. 



Degenerate scales of moths, great 

 size of an element in the loss of, 366. 



Degeneration, an older use of, 

 equivalent to variation, 188. 



Degeneration following cessation 

 of selection, 138; of lost scales 

 greatest in best moth mimics of 

 wasps, &c., 365, 366. 



dcione^ Penoa^ mimicked by female 

 f. of E. halitherscs^ 373. 



De l'Afflnit6 dee Langues 

 Celtiques avec le Sanscrit, 

 Adolphe Pictet, 173. 



Delagoa Bay, attacks of birds on 

 butterflies witnessed at, 282 n. i. 



Delias eucharis^ 269. 



Demerara, H. misippus ranges to, 

 216. 



demodocus^ Papilio, in stomach of 

 Coccytes caffer^ 283. 



de Niceville, L., on insects found in 

 nest (^{Microhicrax^ &c., 291, 291 n, i, 

 292. 



Dentalina in Carboniferous, 27. 



Dentalium in early Palaeozoic, 30. 



Denudation, rate of, 16. 



Deposition of rock, rate of, 16. 



Der Qegeneatz zwiBchen 

 geographischer und niohtgeo- 

 graphischer Variation, Karl J ordan, 

 84 n. 2. 



Descent of Man, (Sic, Charles 

 Darwin, 233 n. l, 379. 



Desoription of some Insects 

 which appear to exemplify, »ic., 

 Rev. W. Kirby, 220. 



Desert, general protective resem- 

 blance to, 297, 298 ; syncryptic resem- 

 blance to, 312; aggressive resem- 

 blance to, 312 ; stress of life on, 321 ; 

 a measure of cryptic resemblance to, 

 in Z. chrysippus, 32 1. 



Development Hypothesis The, 

 Herbert Spencer, 58. 



Devonian Foraminifera, 27 ; 

 sponges, 28 ; Myriapoda, 34 ; land- 

 plants appear in, 44 ; appearance of 

 seed-plants in, 45. 



De Vries, Hugo, Evidence in 

 Favour of Mutation by, Introd. 

 xvii-xxii ; on the necessity of Natural 



