Kingfisher (Alcedo) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license 
Pterosaur (Pterodactylus) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Mamoth (Mammut) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license 
Megatherium illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license 
Ungulate (Anoplotherium) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Ray-finned fish (Acanthonemus) and Semiophorus illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced… Free Image from public domain license 
Odd-toed ungulate (Palaeotherium) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own… Free Image from public domain license 
Chthyosaurus illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license 
Mammalia from A history of the earth and animated nature (1820) by Oliver Goldsmith (1730-1774). Digitally enhanced from our… Free Image from public domain license 
Organic Remains from A history of the earth and animated nature (1820) by Oliver Goldsmith (1730-1774). Digitally enhanced… Free Image from public domain license 
Collection of specimens from animal bone structures from A history of the earth and animated nature (1820) by Oliver… Free Image from public domain license 
Vintage European style animal bone illustration from A history of the Irish nation;: Social, ecclesiastical, biographical… Free Image from public domain license 
Vintage European style skull engraving from Annals of Winchcombe and Sudeley by Emma Dent (1877). Original from the British… Free Image from public domain license 
Vintage European style skull engraving from Annals of Winchcombe and Sudeley by Emma Dent (1877). Original from the British… Free Image from public domain license