Datura stramonium, ii. [67].
Daubenton, variations in the number of mammæ in dogs, i. 35;
proportions of intestines in wild and domestic cats, i. 48, ii. [302].
Daudin, on white rabbits, ii. [230].
Davy, Dr., on sheep in the West Indies, i. 98.
Dawkins and Sandford, early domestication of Bos longifrons in Britain, i. 81.
Deaf-mutes, non-heredity of, ii. [22].
Deafness, inheritance of, ii. [78].
Deby, wild hybrids of common and musk ducks, ii. [46].
De Candolle, Alph., number and origin of cultivated plants, i. 306-307, 371;