INDEX.
VÜ.
Environment—( continued).
a varied environment, 205 ; ad
aptation of creolla sheep to,
282-3 ; influence of changed
conditions on transmutation of
species, 389-448 ; this influence
not alwaysrapidlyeffective,425-6;
in relation to adaptation of new
species to, 532-3 ; influence of,
on thomisus onus lus, 168 ; on
fruit-trees, 398 ; on hair, 417 ;
mastiff and goat, 423 ; on birth
giving in snakes, 542-3 ; on ar
rested development of tadpoles,
543 ; on structural development
of proteus, 543.
Ermine : protective colouration of,
187.
Evolution : definitions of, 1-6 ; five
tests for, 6-7.
Organic : not identical
with Natural Selection, 451-74;
not proved by Natural Selection,
475-9 0 ; not aided by Natural
Selection, 490-523 ; without Nat
ural Selection, 584-91—v. also
Natural Selection.
External Conditions : v. Environ
ment.
Eye, Human : evolution of, 33.
Falconer, Dr. (quoted by Dar
win) : on non-useful variation,
411 ; on influence of environ
ment on mastiff and goat, 423.
Falcons : influence of, on develop
ment of grouse, 63-4.
Finch, H. F. : on Haeckel’s cel
lular psychology, 238.
Fish, Electric : evolution of, 204,
521-2.
Fiske, Prof. John : on potential
rate of increase of cod-fish, 46, 56 ;
of plants, 49 ; on Survival of
Fittest amongst antelopes, 63 ;
on animal colouration, 170; on
relation of Natural Selection to
stability of species, 298 ; on bi
furcation of a species, 324-6 ; on
law of correlated variation, 340 ;
on Artificial Selection, 443-4 ;
on evolution, 463-4 ; on Darwin
as a pioneer, 476 ; on tardy ac
ceptance of Newton’s law, 477-8.
Flies : mimicry amongst, 202.
Flourens, Prof. M. J. P. : on
hybridisation, 350, 353 ; of hares
and rabbits, 356 ; of dogs and
jackals, 356.
Flower, Sir Wm. H. : on con
formity of type, 500.
Flying-fish : pectoral fins of, 504-5.
Food, Change of : an influence on
colouration of insects and pupæ,
405-8.
Fore-arm and Hand : evolution of,
505.
FOR TNIGHTL Y RE VIEW-, on
utility of specific variations,
418.
Fowls : isolation in breeding, 380
—v. also Chickens.
Fox : intelligence in, 247.
Arctic : protective coloura
tion of, 187, 191.
Frogs : sex ratio of, 108 ; mimetic
colouration of, 176; protective
nauseous taste of, 207.
Fruit-trees : influence of external
conditions on, 398—v.also Plants.
Galton, Francis : on regression
to mediocrity, 5-6 ; on Sexual
Selection, 36 ; on tendency
of Struggle for Existence to
check independence of charac
ter, 70 ; on parental devotion of
cow, 82; on co-operation amongst
wild cattle, 84-5 ; on heredity,
366-7.
Gammie, Mr. (quoted by Dyer) :
on Survival of Fittest amongst
ipecacuanha plants, 113.
Gärtner (quoted by Romanes) :
on impossibility of hybridisation
of varieties of verbascum, 384 ;
of pimpernel, 384.
Gastrula : Mr. Herbert Spencer on,
57°-2.
Geese : incubating instinct in, 265 ;
hybridisation of, 352 ; diminished
fecundity of imported, 533.
Geographical Distribution : as evi
dence for Natural Selection, 524-
35-
GEOGRAPHICAL JOURNAL-.
on gradual drying-up of lakes,
538.
