"Pigments." . . "Farbe." . . . . . . . "Animal Coloration" . . . . . "Animal coloration : An account of the principal facts and theories relating to the colours and marking of animals" . . . "Animal coloration"@en . "Animal coloration" . . "Animal Coloration : an Account of the Principal Facts and Theories Relating to the Colours and Markings of Animals"@en . . "Animal coloration an account of the principal facts and theories relating to the colours and markings of animals"@en . "Animal coloration an account of the principal facts and theories relating to the colours and markings of animals" . . "Animal Coloration an Account of the Principal Facts and Theories relating to the Colours and Markings of Animals" . "Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals" . "Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals"@en . . . . . . "Animal coloration : an account of the principal facts and theories relating to the colours and markings of animals" . "Animal coloration : an account of the principal facts and theories relating to the colours and markings of animals"@en . . "Animal Coloration ... With four coloured plates, etc" . . . . . . . . . "Tiere." . . . . "Animaux Couleur." . . "Evolution." . .