ANALYTICAL INDKX 



faikensteinii, Euse/nia, Miillerian 

 mimicry of L. chrysippus by, 232. 



False warning and signalling 

 colours, 226 : see also PsEUDO- 

 SEMATic Resemblance and its sub- 

 divisions, 296, 297. 



Families, in classification, subjec- 

 tive, 65. 



Farmer, Professor J. B., on ex- 

 planation offered by Natural Selec- 

 tion as a bar to inquiry, xliv-xlvii, xliv 

 n. I ; on stimulus and mechanism, 

 74 n. 2. 



Fawcett, Henry, and Natural Selec- 

 tion, 96. 



Female parent, Prichard on the 

 supposed influence of, on offspring, 

 185-6. 



Female often better concealed 

 than male, 246. 



Female Catophaga {Picrinae), yel- 

 low f. of, specially attacked by bee- 

 eater, 285. 



Female preferences, 379. 



Female, Mimicry, &c., less 

 characteristic of male than, 

 VIII. 244-7: see also 215-17, 279, 



347, 353> 372-5. 



Female Mimetic: Male Non- 

 Mimetic, examples under this 

 heading, X. 372. 



Female Mimicking Two or 

 More Different Species, Male 

 Non- Mimetic or Mimicking 

 still Another Species, examples 

 under this heading, X. 373 : see also 

 dardamts. 



Female, except in mimicry, more 

 ancestralthanmale, 245-6; advantage 

 of mimicry in, 246, 279 ; tendencies 

 of non-mimetic males of mimetic, 



347- 



* Ferns ' of Palaeozoic, mostly seed- 

 plants, 45. 



Fertility, kept up by selection, 81, 

 82 ; of certain hybrids, ^2)^ 84 ; pro- 

 moted by domestication, 83, 84 ; 

 between domestic breeds, 77-84, 201. 



Fertilization or zygosis, xxxi ; 

 inferences as to precursors (Allelo- 

 morphs) of Mendelian characters in, 

 xxxi-xxxiii ; syngamy proposed by 

 Hartog to replace, 60 n. 3 ; zygosis 

 proposed for, 60 n. 3 ; essential nature 

 of, 80-2 ; self-, cause of injurious 

 effects of, 91-4 ; the union of germ- 

 plasm from two individuals, 127, 12S. 



Fertilized germ or zygote, Men- 

 delian inferences as to, xxxi-xxxiii. 



Final Causes, \V. Whewell on the 

 study of, as a stimulus to in(|uiry, 

 xlvi n. I. 



Finn, F., on education of birds, 

 167 ; conclusions of, on distastefulncss 

 of butterflies, 269, 317; on evidence 

 of distastefulncss in mimi( kcd butter- 

 flies, 269. 279 n. I ; results obtained 

 by, quoted in Essay X, 293 ; on 

 unpalatability no defence against 

 hungry enemies, 269, 317, 317 n. 4. 



Fish, in early Palaeozoic, 30 : sec 

 also 26 ; rapid colour adjustment in, 

 305 ; defence of Hj'as against large, 

 314; small, attracted and devoured 

 by Hyas, 314: alluring structures in, 

 378 ; attracted by lures of Ccratias^ 

 378 ; heightened colouring accom- 

 panies other excitement as well as 

 sexual in, 3.^0. 



Fishing- Frog or Anj^ler, bri>;ht 

 lure of, 378. 



Flatidae, colony of, resembling 

 flowers and buds, 304, 304 n. 3. 



Fleece, changes of, in tropics, 190. 



Fleeming Jenkin, on the swamp- 

 ing effect of intercrossing on single 

 variations, xl, xli ; influence upon 

 Darwin of arguments of, xl, xl n. 3, 3. 



Flies, see Diptera. 



Flight slow in distasteful butter- 

 flies, 279, 323 ; of certain Datiixinae 

 displays under surface, 323; Heli- 

 conine mimics of Ithomiitutc distin- 

 guished by, 331, 331 n. 1 ; difference 

 between model and mimic in, 349. 



Floras of the Past : their Com- 

 position and Distribution. ri"f. 

 A. C. Seward, 44. 



florcUa, CatopsiliiX, cajHured by 

 Halcyon chclicutcnsis, and probably 

 by Buchanga assimilis, 283. 



Florida,'//, inisifpus ranges to, 



216. 



Flos Rcj^itiac, Lngersttocmitt, ncsl 

 oi Microhierax in. 290. 



Floor of the ocean, 20 2. 



Fiower-Iike alluring Miinlidar^ 

 378, 378 n. 3 ; appearance of also 

 procryptic, lT6. 



Flowers and l>uds, rcsenU^lcd by 

 Flaiidiie, 304, 304 n. 3; tr>ptic 

 resemblance 10,318; and surround- 

 ings considered by Thayer to be 

 resembled by Ithomiines, &c., 322 ; 



