51-52.
_Casuarius bennettii_, ii. 156.
CAT, domestic, i. 43-48;
early domestication and probable origin of the, i. 43-44;
intercrossing of with wild species, i. 44-45;
variations of, i. 45-48;
feral, i. 47, ii. 33;
anomalous, i. 48;
polydactylism in, ii. 14;
black, indications of stripes in young, ii. 55;
tortoiseshell, ii. 73;
effects of crossing in, ii. 86;
fertility of, ii. 111;
difficulty of selection in, ii. 234, 236;
length of intestines in, ii. 302;
white with blue eyes, deafness of, ii. 329;
with tufted ears, ii. 350.
CATARACT, hereditary, ii. 9, 79.
CATERPILLARS, effect of changed food on, ii. 280.
CATLIN, G., colour of feral horses in North America, i. 61.
CATTLE, European, their probable origin from three original species, i.
79-82;
humped, or Zebus, i. 79-80;
intercrossing of, i. 83, 91-93;
wild, of Chillingham, Hamilton, Chartley, Burton Constable, and
Gisburne, i. 84, ii. 119;
colour of feral, i. 84-85, ii. 102;
British breeds of, i. 86-87;
South African breeds of, i. 88;
South American breeds of, i. 89, ii. 205;
Niata, i. 89-91, ii. 205, 208, 332;
effects of food and climate on, i. 91-92;
effects of selection on, i. 92-93;
Dutch-buttocked, ii. 8;
hornless, production of horns in, ii. 29-30, 39;
reversion in, when crossed, ii. 41;
wildness of hybrid, ii. 45;
short-horned, prepotency of, ii. 65;
wild, influence of crossing and segregation on, ii. 86;
crosses of, ii. 96, 104, 118;
of Falkland islands, ii. 102;
mutual fertility of all varieties of, ii. 110;
effects of interbreeding on, ii. 117-119;
effects of careful selection on, ii. 194, 199;
naked, of Columbia, ii. 205;
crossed with wild banteng in Java, ii. 206;
with reversed hair in Banda Oriental, ii. 205;
selection of trifling characters in, ii. 209;
fashion in, ii. 210;
similarity of best races of, ii. 241;
unconscious selection in, ii. 214;
effects of natural selection on anomalous breeds of, ii. 226-227;
light-coloured, attacked by flies, ii. 229, 336;
Jersey, rapid improvement of, ii. 234;
effects of disuse of parts in, ii. 299;
rudimentary horns in, ii. 315;
supposed influence of humidity on the hair of, ii. 326;
{442}
white spots of, liable to disease, ii. 337;
supposed analogous variation in, ii. 349