fertility of Columba migratoria and leucocephala in captivity, ii. [155];

breeding of Anser canadensis in captivity, ii. [157].

Audubon and Bachman, on the change of coat in Ovis montana, i. 99;

sterility of Sciurus cinerea in confinement, ii. [152].

Auricula, effect of seasonal conditions on the, ii. [273];

blooming of, ii. [346].

Australia, no generally useful plants derived from, i. 310;

useful plants of, enumerated by Hooker, i. 311.

Austria, heredity of character in emperors of, ii. [65].

Autenrieth, on persistency of colour in horses, ii. [21].