ANALYTICAL INDEX 



b Xi I73i reasons forneglect of illumin- 

 ating thoughts of, 175 ; inconsistencies 

 in arguments of, 174 n. 2, 175, 191- 

 2 ; on the obscure origin of varia- 

 tion, 176 ; contention of, that acquired 

 darkness of complexion cannot be 

 inherited, and is not cause of dark 

 races, 177, 178; the use of term 

 ' acquired characters ' by (1826), 177, 

 179; on varieties predetermined in 

 the germ, 183 : see also xxxvii n. 1 ; 

 on comparison between influences of 

 two parents in heredity, 185 ; on 

 origin of domestic breeds, 186, 187 ; 

 limited but undoubted use of Natural 

 Selection by, 191. 



prideatixii, Pagurus, carrying 

 Adamsia palliata, 357. 



Primary and Secondary Mul- 

 lerian Mimicry ; Proto- and 

 Deuterosynaposematic Resem- 

 blance, X. 345, 346. 



Primrose, Darwin's work compared 

 with that of Bateson and Gregory on 

 the, xxvii-xxxiv ; primrose, cowslip, 

 and Bardfield oxlip shown to be true 

 species by Darwin, xxviii, 47, 63. 



Principles of Biology, Herbert 

 Spencer, 58 n. 2. 



Prioneris, captured by bee-eater, 

 288. 



Procryptic and Anticryptic 

 Colours, X. 297-315. For the 

 various divisions, sections, and sub- 

 sections see pp. 293, 294. 



Procryptic Resemblance, X. 

 297-312. See pp. 293, 294 for the 

 various sections and sub-sections. 



Procryptic Defence, Poly- 

 morphism and Dimorphism in, 

 X. 310. 



Procryptic Defence, Seasonal 

 Dimorphism in, X. 310-12. 



Procryptic colours, see Protective 

 (Procryptic) Resemblance. 



Progressus Eei Botanicae, 44. 



Promachus iopterus, itfl n. 1. 



pronuba, Tryphaena, derived 

 chlorophyll employed by larvae of, 

 314 n. 2. 



Prophetic instincts of insects, 118, 

 119,155-65. 



prorsa, Araschnia, resemblance to 

 Litnenitis of, and earlier levana f. to 

 fritillary, 342. 



Protective and Aggressive 

 Mimicry, X. 358-78. For the 



459 



various divisions, sections, sub-sec- 

 tions, &c, see pp. 296, 297. 



Protective or Batesian Mimi- 

 cry : Pseudaposematic Resem- 

 blance, X. 361-76. For the various 

 sections, &c, see pp. 296, 297. 



Protective Mimicry, see Mimicry 

 Protective, &c. 



Protective Resemblance, X. 

 297-312. For the various sections, 

 &c, see pp. 293, 294. 



Protective Resemblances, and 

 Aggressive, X. 297-315. For the 

 various divisions, sections, sub- 

 sections, &c, see pp. 293, 294. 



Protective (Procryptic) Resem- 

 blance (see also Syncryptic) : de- 

 fined, 297 ; place of, in a scheme 

 of the bionomic uses of colour, 

 226 ; external and internal causes ob- 

 viously inapplicable as causes of, 227, 

 228; Lamarckism and, 113; female 

 often better concealed than male, 246 ; 

 protective mimicry a form of, 225, 226, 

 348 ; parallelism with mimicry, 259 ; 

 mimicry only appears in special sub- 

 ordinate groups of chief groups with, 

 348 ; included in mimicry by H. W. 

 Bates, but separated by A. R.Wallace, 

 359 ; distinction between Protective 

 Mimicry and, 225, 226, 358-61 ; 

 mimetic appearance combined with, 

 319, 339-41. 348, 350-4, 367, 368; 

 instantaneous transition from one to 

 the other, 319, 367, 368; warning or 

 aposematic defence combined with, 

 318, 319; e.g. in cobra, 324; transi- 

 tion to aposematic from, 318-20 ; 

 transitionfrom aposematic to,in desert 

 (dorippus) f. of L. chrysippus, 320, 

 321 ; may be more advantageous on 

 pupa than on cocoon, 148, 149 ; re- 

 lation to daylight of, 303 ; in C. ver- 

 basci larva and imago, 318, 319 ; in 

 E. jacobaeae larva, 318 ; iridescence 

 and, 322 ; importance of 'sham death ' 

 in, 323 ; evidence of advantage con- 

 ferred by, 288, 289 ; habits essential 

 for, 353 ; examples of, more ancient 

 than those of mimicry, 246. 



protenor, Papilio, male and female 

 of, respectively mimicked by sexes 

 of E. philenora, 371. 



Proto- and Deuterosynapose- 

 matic Resemblance, X. 345, 346. 



Protoephemeridae (Ephemeridae) 

 of Commentry Carboniferous, 37. 



