Gangetic Platanista (Platanista Gangetica) from Illustrations of Indian zoology (1830-1834) by John Edward Gray (1800-1875).… Free Image from public domain license 
Illustration of Hippopotamus from Zoological lectures delivered at the Royal institution in the years 1806-7 illustrated by… Free Image from public domain license 
Giraffe from Zoological lectures delivered at the Royal institution in the years 1806-7 illustrated by George Shaw (1751… Free Image from public domain license 
Illustration of Leopard and Panther from Zoological lectures delivered at the Royal institution in the years 1806-7… Free Image from public domain license 
Wild-vine Sphinx illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813) Free Image from public domain license 
Lion (Panthera Leo) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license