ANALYTICAL LNDEX 



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, Kuploeas, 

 Ithomiines, «S: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 B7'enthidae 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. i. 



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, B runner 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, 261, 369, 

 370 ; conspicuousness of certain large 

 African, 370. 



Weir, J. Jenner, on the value of 

 bright hind wings of moths, &c., 



303, 304. 



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. i, 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 effec t 

 of cessation of Natural Selection 

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

 stimulating effect of wrilin.c^s 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, I79» 1^3 ; first led to doubt 

 transmission of acquired characters 

 on theoretical grounds, 181 ; on 

 seasonal changes of Lcpidoptera, 

 311 ; on seasonal forms of Araschnia, 

 342 ; use of incorrect term ' immune ' 

 adopted from Haase by, 375 ; 

 mimicry in Pap. dardixniis {mcropc) 

 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 on 

 English colonists unchanged after 

 many generations in, 17S : see how- 

 ever 187 ; H. viisippus 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. I, 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. Hybiiii. 

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

 mimicry less developed in broods 

 {BclcHois. Jerncolns. Huphitui) 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- 



