ANALYTICAL INDEX 



425 



falkensteinii, Eusemia, 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 (Pierinae), 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 

 dardanus. 



Female, except in mimicry, more 

 ancestral than male, 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, 83, 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, 128. 



Fertilized germ or zygote, Men- 

 delian inferences as to, xxxi-xxxiii. 



Final Causes, W. Whewell on the 

 study of, as a stimulus to inquiry, 

 xlvi n. I. 



Finn, F., on education of birds, 

 167 ; conclusions of, on distastefulness 

 of butterflies, 269, 317; on evidence 

 of distastefulness in mimicked 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 : see 

 also 26 ; rapid colour adjustment in, 

 305 ; defence of Hyas against large, 

 314; small, attracted and devoured 

 by Hyas, 314; alluring structures in, 

 378 ; attracted by lures of Ceratias, 

 378 ; heightened colouring accom- 

 panies other excitement as well as 

 sexual in, 380. 



Fishing-Frog or Angler, bright 

 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 Danainae 

 displays under surface, 323 ; Heli- 

 conine mimics of Ithomiinae distin- 

 guished by, 331, 331 n. I ; difference 

 between model and mimic in, 349. 



Floras of the Past : their Com- 

 position and Distribution, Prof. 

 A. C. Seward, 44. 



florella, Catopsilia, captured by 

 Halcyon chelicutensis, and probably 

 by Buchanga assimilis, 283. 



Florida, H. misippus ranges to, 

 216. 



Flos Retinae, Lagerstroemia, nest 

 of Microhierax in, 290. 



Floor of the ocean, 20-2. 



Flower-like alluring Mantidae y 

 378, 378 n. 3 ; appearance of also 

 procryptic, 378. 



Flowers and buds, resembled by 

 Flatidae, 304, 304 n. 3 ; cryptic 

 resemblance to, 318; and surround- 

 ings considered by Thayer to be 

 resembled by Ithomiines, &c., 322 ; 



