by Ernest Ingersoll
by Vernon L. (Vernon Lyman) Kellogg
by Maud D. (Maud Doria) Haviland
by Edmund Selous
by Frank E. (Frank Evers) Beddard
by B. Lindsay
by Charles Frederick Holder
by Frank E. (Frank Evers) Beddard, W. B. (William Blaxland) Benham, F. W. (Frederick William) Gamble, Marcus Hartog, Lilian Sheldon
by Marcus Hartog, Sydney J. (Sydney John) Hickson, E. W. (Ernest William) MacBride, Igerna Brünhilda Johnson Sollas
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Adam Sedgwick, David Sharp, F. G. (Frederick Granville) Sinclair
by Alfred Edmund Brehm
by Douglas English
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Courtney Ryley Cooper
by A. H. (Alfred Hands) Cooke, F. R. C. (Frederick Richard Cowper) Reed
by Alfred Edmund Brehm
by David Sharp
by Alfred Edmund Brehm
by Thomas Henry Huxley
by Alfred Edmund Brehm
by Geoffrey Smith, D'Arcy Wentworth Thompson, Cecil Warburton, Walter Frank Raphael Weldon, Henry Woods
by J. Ritzema (Jan Ritzema) Bos
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Daniel Giraud Elliot
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Margaret Benson
by Margaret Benson
by Martin Braess
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm
by Alfred Edmund Brehm