on the skull of the "Niata" cattle, i. 89, 90;
on fossil remains of rabbits, i. 104;
on the significance of the brain, i. 124;
on the number of digits in the Ichthyopterygia, ii. [16];
on metagenesis, ii. [366];
theory of reproduction and parthenogenesis, ii. [375].
Owl, eagle, breeding in captivity, ii. [154].
Owl pigeon, i. 148;
African, figured, i. 149;
known in 1735, i. 209.