"Nicard" rabbit, i. 107.

Nicholson, Dr., on the cats of Antigua, i. 46;

on the sheep of Antigua, i. 98.

Nicotiana, crossing of varieties and species of, ii. [108];

prepotency of transmission of characters in species of, ii. [67];

contabescence of female organs in, ii. [166].

Nicotiana glutinosa, ii. [108].

Niebuhr, on the heredity of mental characteristics in some Roman families, ii. [65].

Night-blindness, non-reversion to, ii. [36].

Nilsson, Prof., on the barking of a young wolf, i. 27;