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.