FEMUR. 
INDEX. 
FOWLS. 
429 
Femur and tibia, proportions of, in 
the Ay mar a Indians, i. 119. 
Ferquson, Mr,, on the courtship of 
fowls, ii. 118. 
Fertilization, phenomena of, in 
plants, i. 273 ; in the lower animals, 
i. 274. 
Fevers, immunity of Negroes and 
Mulattoes from, i. 243. 
Fiber zibethicua, protective colouring 
of, ii. 298. 
Fidelity of savages to one another, 
i. 95 ; importance of, i. 162. 
Field-slaves, difference of, from 
house-slaves, i. 246. 
Fijians, burying their old and sick 
parents alive, i. 77 ; estimation of 
the beard among the, ii. 349 ; ad- 
miration of, for a broad occiput, ii. 
352. 
Fiji Islands, beards of the natives, ii. 
322, 349 ; marriage-customs of the, 
ii. 373. 
Filial affection, partly the result of 
natural selection, i. 81. 
Filum terminale, i, 30. 
Finch, racket-shaped feathers in the 
tail of a, ii. 73. 
Finches, spring change of colour in, 
ii. 85 ; British, females of the, ii. 
Fingers, partially coherent, in species 
of Hylobates , i. 140. 
Finlayson, on the Cochin Chinese, ii. 
345. 
Fire, use of, i. 137, 183, 234. 
Fischer, on the pugnacity of the male 
of Lethms cephahiles, i. 37 8. 
Fish, proportion of the sexes in, i. 
307 ; eagerness of male, i. 272. 
Fishes, kidneys of, represented by 
Corpora Wolffiana in the human 
embryo, i. 18 ; male, hatching ova 
in their mouths, i. 210 ; receptacles 
for ova possessed by, i. 254 ; relative 
size of the sexes in, ii. 7 ; freshwater, 
of the tropics, ii. 17 ; protecti ve re- 
semblances in, ii. 18 ; nest-building, 
ii. 19; spawning uf, ii. 19; sounds 
produced by, ii. 23, 331 ; continued 
growth of, ii. 216. 
Flexor polliois longus, similar varia- 
tion of, in man, i. 129. 
Flint tools, i. 183. 
Flints, difficulty of chipping into 
form, i. 138. 
Florida, Quisoalus major in, i. 307. 
Flounder, coloration of the, ii. 18. 
Flower, W. H., on the abductor of 
the fifth metatarsal in apes, i. 
128 ; on the position of the Seals, 
i. 190 ; on the throat-pouch of the 
male Bustard, ii. 58. 
Fly-catchers, colours and nidification 
of, ii. 170. 
FcETUS, human, woolly covering of 
the, i. 25 ; arrangement of the hair 
on, i. 193. 
Food, influence of, upon stature, i. 
115. 
Foot, prehensile, in the early progeni- 
tors of man, i. 206 ; prehensile 
power of the, retained in some 
savages, i. 142. 
Foramen, supra-condyloid, excep- 
tional occurrence of in the humerus 
of man, i. 28, 180 ; in the early 
progenitors of man, i. 206. 
Forres, D., on the Aymara Indians, i. 
110; on local variation of colour in 
the Quechuas, i. 246 ; on the hair- 
lessness of the Aymaras and Que- 
chuas, ii. 322 ; on the long hair of 
the Aymaras and Quechuas, ii. 320, 
348. 
Forel, F* on white young swans, ii. 
211 . 
Formica nifa, size of the cerebral 
ganglia in, i. 145. 
Iossils, absence of, connecting man 
with the apes, i. 201. 
Fowl, occurrence of spurs in the 
female, i. 280 ; game, early pug- 
nacity of, i. 295 ; Polish, early 
development of cranial peculiarities 
of, i. 293 ; variations in plumage 
of, ii. 74 ; examples of correlated 
development in the, ii. 130; do- 
mestic, breeds and subbreeds of, ii. 
178. 
Fowls, spangled Hamburgh, i. 281, 
294 ; sexual peculiarities in, trans- 
mitted only to the same sex, i. 283 ; 
loss of secondary sexual characters 
by male, i. 284; inheritance of 
changes of plumage by, i. 281 ; 
Polish, origin of the crest in, i. 
284 ; period of inheritance of cha- 
