wth of the verbena, ii. 273;
on broccoli, ii. 310.
ROCK pigeon, measurements of the, i. 134;
figured, i. 135.
RODENTS, sterility of, in captivity, ii. 152.
_Rodriguezia_, ii. 134, 135.
RODWELL, J., poisoning of horses by mildewed tares, ii. 337.
ROHILCUND, feral humped cattle in, i. 79.
ROLLE, F., on the history of the peach, ii. 308.
ROLLER-PIGEONS, Dutch, i. 151.
ROLLESTON, Prof., incisor teeth affected in form in cases of pulmonary
tubercle, ii. 332.
ROMANS, estimation of pigeons by, i. 205;
breeds of fowls possessed by, i. 231, 247.
{475}
ROOKS, pied, ii. 77.
_Rosa_, cultivated species of, i. 366.
_Rosa devoniensis_, graft-hybrid produced by, on the white Banksian rose,
i. 396.
_Rosa indica_ and _centifolia_, fertile hybrids of, i. 366.
_Rosa spinosissima_, history of the culture of, i. 367.
ROSELLINI, on Egyptian dogs, i. 17.
ROSES, i. 366-367;
origin of, i. 364;
bud-variation in, i. 379-381;
Scotch, doubled by selection, ii. 200;
continuous variation of, ii. 241;
effect of seasonal conditions on, ii. 273;
noisette, ii. 308;
galls of, ii. 284.
ROUENNAIS rabbit, i. 105.
ROULIN, on the dogs of Juan Fernandez, i. 27;
on South American cats, i. 46;
striped young pigs, i. 77;
feral pigs in South America, i. 78, ii. 33;
on Columbian cattle, i. 88, ii. 205, 226;
effects of heat on the hides of cattle in South America, i. 92;
fleece of sheep in the hot valleys of the Cordilleras, i. 98;
diminished fertility of these sheep, ii. 161;
on black-boned South American fowls, i. 258;
variation of the guinea-fowl in tropical America, i. 294;
frequency of striped legs in mules, ii. 42;
geese in Bogota, ii. 161;
sterility of fowls introduced into Bolivia, ii. 162.
ROY, M., on a variety of _Magnolia grandiflora_, ii. 308.
ROYLE, Dr., Indian varieties of the mulberry, i. 334;
on _Agave vivipara_, ii. 169;
variety of rice not requiring irrigation, ii. 305;
sheep from the Cape in India, ii. 306.
_Rubus_, pollen of, ii. 268.
RUDIMENTARY organs, i. 12, ii. 315-318.
RUFZ de Lavison, extinction of breeds of dogs in France, ii. 425.
RUMINANTS, general fertility of, in captivity, ii. 150.
RUMPLESS fowls, i. 230.
RUNTS, i. 142-144;
history of, i. 210;
lower jaws and skull figured, i. 164-165.
RUSSIAN or Himalayan rabbit, i. 108.
RUETIMEYER, Prof., d