Paul D Stewart / Photograph of Charles Darwin taken by Lock & Whitfield in 1877 and published in' Men of Mark' 1878.

Paul D Stewart / Lithograph of the Moody Footmark Quarry in South Hadley, where Pliny Moody discovered the very first fossil tracks in 1802. From Hitchcock, Edward. Ichnology of New England. A Report on the Sandstone...

Paul D Stewart / Lithograph of a slab with multiple dinosaur trackways. From 'Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, especially its Fossil Footmarks'. Boston: William White, 185...

Paul D Stewart / Illustration of Hornets and Wasps, from Arcana entomologica, or, Illustrations of new, rare, and interesting insects by J.O. Westwood, 1845.

Paul D Stewart / Illustration of a Vampire bat (Vespertilio vampyrus) by Heath published 1800 in George Shaw 'General Zoology or Systematic Zoology', in which the Vampire bats feeding habits are described. However th...

Paul D Stewart / Illustration of extinct Quagga (Equus quagga quagga) by Christian von Schreber, from 'Die Sauetheire in Abbildungen nach der Natur mit Beschreibungen' 1883.

Paul D Stewart / Historical illustration showing the displays of various birds of paradise: Red bird-of-paradise (Paradisea rubra), Superb bird of paradise (Lophorina superba), Wilson's bird of paradise (Cicinnurus re...

Paul D Stewart / Historical illustration of Common octopus (Octopus vulgaris) Pierre Denys de Montfort engraving from 'Histoire Naturelle Generale et Particuliere des Mollusques', 1801-1802.

Paul D Stewart / Illustration of Joseph Dalton Hooker (1817- 1912) botanist, by George Richmond, reproduced in Hooker's ' Life and Letters'. Hooker was a good friend of Darwin and the director of Kew Gardens.

Paul D Stewart / Historical illustration of primates from Naturliche Schopfungsgeschichte (2nd edition) by Ernst Haeckel, 1870. Haekel was a leading proponent of what is now described as scientific racism and believed...

Paul D Stewart / Illustration of Great auk (Pinguinus impennis) swimming, from Welsh naturalist Thomas Pennant's book 'British Zoology' 1776 .This species, now extinct was last sighted in 1852 on the Grand Banks of Ne...

Paul D Stewart / 'The Falkland Island Aguara dog' the extinct Falkland wolf (Canis antarctus / Dusicyon australis) plate 23 steel engraving with hand colouring as issued. From 'Natural History of Dogs' Charles Hamilt...