ANALYTICAL INDEX 



477 



tion to a measure of protective (pro- 

 cryptic) resemblance from, in L. chrys- 

 ippus, 320, 321 ; transitions between 

 protective resemblance and warning 

 colours, 318-21, 323, 324; limits 

 to effect of, in Aculeates, Euploeas, 

 Ithomiines, &c, 322, 323 ; conditions 

 of struggle determine degree of con- 

 spicuousness of, 323 ; advantage of 

 resemblance between forms with, 

 327-8 ; mimicry often combined with, 

 347 ; mimicry especially found in 

 groups with, 347, 348 ; habits of cer- 

 tain Brenthidae and weevils bring 

 about, 369-70. 

 Wasp-beetle, 238, 251, 252, 348, 



363- 

 Wasps, Social and. Solitary, 



G. W. and E. G. Peckham, 118 n. 1. 



Wasps (see also classification of 



examples of mimicry, 389-93) : 



mimicked by diverse methods, 250-2, 



280 ; uniformity throughout many 

 species of (Miillerian mimicry), 232, 

 278 ; advantage of resemblance to, 



281 ; limit to conspicuousness of, 

 322 ; many examples of mimicry of, 

 Batesian, 376 : others Miillerian, 

 230-2, 376. 



Waste of life prevented by warn- 

 ing colours, 316. 



Waterhouse, G. R., on wide differ- 

 ence between domestic races, 76. 



Wattenwyl, Brunner von, 

 Hypertely of, X. 302, 303. 



Weevils (see also classification of 

 examples of mimicry, 390-1) : colour 

 adjustment probable in Cleonus, 307 ; 

 hardness as the defence of, 26 1, 369, 

 370 ; conspicuousness of certain large 

 African, 370. 



Weir, J. Jenner, on the value of 

 bright hind wings of moths, &c, 



3°3, 3°4- 



Weismann, August, appropriation 

 under the name of Mendel of dis- 

 coveries made by, xiii, xxxvi, xxxvii, 

 xxxvii n. I ; on characters predeter- 

 mined in the germ, xxxvi, xxxvii, 

 xxxvii n. 1, 135; Amixia of, 60; 

 Amphimixis of, 60 n. 3 : on Acquired 

 characters or Somatogenic char- 

 acters, no, 123; on causes of germ 

 variation and significance of sexual 

 reproduction, 127, 128, 137; con- 

 tinuity of the germ-plasm of, 127-36 ; 

 on germ-plasm in the nucleus, 128 ; 



on heredity and transmission of 

 acquired characters, 132 ; on effect 

 of cessation of Natural Selection 

 (panmixia), 138 : see also xxxvii n. 2 ; 

 stimulating effect of writings of, 139 ; 

 definition of acquired and inherent 

 characters by, 142 ; on Lamarckism 

 and the cocoon-making instinct, 164 

 n. 2 ; views of, on heredity and 

 acquired and inherent characters 

 anticipated by J. C. Prichard, 174, 

 175, 178, 179, 183 ; first led to doubt 

 transmission of acquired characters 

 on theoretical grounds, 181 ; on 

 seasonal changes of Lepidoptera, 

 311 ; on seasonal forms of Araschnia, 

 342 ; use of incorrect term ' immune ' 

 adopted from Haase by, 375 ; 

 mimicry in Pap. dardanns {merope) 

 and in butterflies of Eastern Brazil 

 erroneously figured by, 375, 376 ; 

 ' Mimicry-ring' of, 376. 



West Africa, see Africa, West. 



West China, see China, West. 



West Indies, J. C. Prichard or> 

 English colonists unchanged afu 

 many generations in, 178 : see how^ 

 ever 187 ; H. misippus ranges to^ 

 216. 



Westminster Review, 78. 



Westwood, Prof. J. O., on non- 

 mimetic species of mimetic genera, 

 274, 275 ; on a wonderful example of 

 secondary Miillerian mimicry, 346. 



Wet season, the time of plenty, 

 208, 209, 317, 326; form of butter- 

 flies' wings in, 206, 207, 310, 311 ; 

 warning colours and ' eye-spots ' 

 specially characteristic of, 208-11, 

 317, 326, 339-341 ; aposematic forms 

 of African Precis in, 208, 209. 320, 

 320 n. 1, 339-41 ; butterflies much 

 upon the wing in, 209 ; advantage of 

 warning colours and 'eye-spots' in, 

 209-11, 317, 320, 326 ; mimicry 

 developed in broods {Precis, Byblia, 

 Teracolus) of, 339, 339 n. I, 340-1 ; 

 mimicry less developed in broods 

 (Be/enois, Teracolus, Huphina) of, 



341, 342. 



Wetzel, experiments on frog's egg 

 of, 129. 



Whale, ear-bones of, on ocean floor, 

 20. 



'What is a Species?' Essay II, 



46-94. 

 'What is a Species?' Intro- 



