Rameses II., features of.
Ramsay, Mr., on the Australian musk-duck; on the regent-bird; on the incubation of Menura superba.
Rana esculenta, vocal sacs of.
Rat, common, general dispersion of, a consequence of superior cunning; supplantation of the native in New Zealand, by the European rat; common, said to be polygamous; numerical proportion of the sexes in.
Rats, enticed by essential oils.
Rationality of birds.
Rattlesnakes, difference of the sexes in the; rattles as a call.
Raven, vocal organs of the; stealing bright objects; pied, of the Feroe Islands.
Rays, prehensile organs of male.
Razor-bill, young of the.