472 



ANALYTICAL INDEX 



monochrome and cryptic effect of 

 pattern, 321-3, 321 n. 3 ; on cryptic 

 effect of iridescence, 322 ; mimicry 

 interpreted as syncryptic resemblance 



by, 323- 



Thecla rubi, 301. 



thelxiope, Heliconius, varieties of, 

 69. 



Theories of Evolution, Essay 



111,95-119. 



Theories of Heredity, Essay 

 IV, 120-38 : see also 142 n. 1. 



Theories of Mimicry, Essay 

 VIII, 220-70. 



Theory of Natural Selection 

 and T. H. Huxley, Essay VII, 193- 

 219. 



Theory of the Origin of 

 Varieties, J. C. Prichard, 185-7. 



Theory, the Evolution, A. Weis- 

 mann, Eng. transl., 164 n. 2, 375. 



Thiselton-Dyer, Sir W. T., on 

 mutations due to cultural conditions, 

 xxii ; on Deductive Biology, xlvii, 

 xlvii n. 1 ; on older writers on species, 

 56 ; on diagnosis of species, 66. 



Thompson, D'Arcy, on Laws of 

 Growth, 224, 225. 



Thomson, Sir W., see Kelvin, 

 Lord. 



' Throwing back ', see atavism, 125. 



Thrum-eyed and pin-eyed prim- 

 rose, Darwin's, Bateson's, and 

 Gregory's work on, xxvii-xxxi. 



Thundiani, king-crow attacking 

 butterflies at, 285. 



thyodamas, Cyrestis, eaten by bee- 

 eater, 288. 



Tliyridia psidii, 264, 265. 



thysa, Belenois, Miillerian mimicry 

 of Mylothris far more developed in 

 dry than in wet f. of, 341. 



Thysanoptera of Commentry Car- 

 boniferous, 35. 



tibullus, the E. sub-sp. of Papilio 

 dardanns (merope), 337, 338, 374, 

 374 n. I, 375 : see also dardanus. 



Tidal retardation, 7, 8. 



Tides, did not prevent tranquil 

 deposition in Silurian, 17. 



Tiger, aggressive resemblance of, 



3 ! 3- 



Time and Space Relation- 

 ships of Mimicry, &c, VIII. 

 247-50. 



Times, 78. 



Tirumala (Melinda) morgeni, 337. 



Tissues, animal, derived from cells, 

 121. 



Tithorea, resemblance of Heli- 

 conius to, 235. 



tityus,Haemorrhagia, loss of scales 



by, 365- 



Tobacco, Kolreuter on varieties of, 

 78. 



Tongue, worm-like lures of Macro- 

 clemmys beneath, 378. 



Toro, W. Uganda, overlapping of 

 eastern Danaine (Amauris) and 

 western Acraeine (Planetfia) models 



in, 338. 



Toronto meeting of the British 

 Association (1897), 263. 



torqicatci) Pratincola, chasing 

 Tarucus plinius, 284. 



torquatinus, Papilio, W. C. Hewit- 

 son on, 57 n. 1. 



torqualus, Papilio, W. C. He wit- 

 son on, 57 n. 1. 



Tradition as an incentive to re- 

 search, xlii ; paper the material 

 basis of, 170-2. 



Training, results of, not hereditary, 

 136. 



Transfusion of blood and pan- 

 genesis, 125. 



Transition from Cryptic to 

 Aposematic Defence, X. 318-20. 



Transition Geographical 



from Aposematic to Cryptic 

 Defence, X. 320-1. 



Transition, importance to the 

 systematist of, 64: see also Con- 

 tinuity, xiv, xv ; the foundation of 

 diagnosis, 64 ; diagnosis and, 66 ; 

 as a test of varieties, 66, 67 ; sub- 

 jective element in, 66, 67 ; Huxley's 

 belief (1859) that species are uncon- 

 nected by, 195. 



Transitions seasonal, in modes of 

 protection, 320, 339-42. 



Transmission of Acquired 

 Characters, Bearing of Study 

 of Insects upon, Essay V, 139-72. 



Transmission of Acquired 

 Characters (Experience), bear- 

 ing of Insect Mimicry and 

 Warning Colours upon, V. 166-8. 



Transmission of Acquired 

 Characters implied by the 

 Theory of External Causes, 

 VIII. 267. 



Transmission of Acquired Char- 

 acters by heredity : see also Acquired 



