by Lady Maria Callcott
by James Henderson
by Theodore Roosevelt
by Alfred Russel Wallace
by Louis Agassiz, Elizabeth Cabot Cary Agassiz
by Arnold Henry Savage Landor
by H. M. (Henry Major) Tomlinson
by Algot Lange
by Mary F. Nixon-Roulet
by William Lewis Herndon, Lardner Gibbon
by Henry Koster
by William Lewis Herndon, Lardner Gibbon
by Barão de Antônio Luiz von Hoonholtz Teffé
by d'Evreux Yves
by Benjamin Franklin Schappelle
by Félix de Azara
by William Hadfield
by D. A. Gomes Pércheiro
by Oliveira Lima
by William Hadfield
by John Mawe
by José de Sá Bettencourt
by Agostinho Marques Perdigão Malheiro
by Pero de Magalhães Gandavo
by José Augusto Corrêa
by George Gardner
by Ina von Binzer
by François Crastre
by Nevin O. (Nevin Otto) Winter
by Alfred Russel Wallace
by Antonio Pereira Rebouças
by José Barbosa
by Visconde de Alfredo d'Escragnolle Taunay Taunay
by Edv. A. (Edvard August) Vainio
by C. S. (Charles Samuel) Stewart
by José Soares da Cunha e Costa