Above, fishermen hunting a spermwhale; middle, indigenous huntsmen hunting kangaroos; below, an island populated by petrels… https://www.rawpixel.com/image/13966544/image-dog-penguin-cartoonFree Image from public domain licenseA narwhal, a common whale and a pike-headed whale. Etching by J Scott, ca 1812, after S Edwards. https://www.rawpixel.com/image/13970060/image-cartoon-sea-animalFree Image from public domain licenseKali dancing on Siva. Watercolour by an Indian artist, ca. 1890. https://www.rawpixel.com/image/13960797/kali-dancing-siva-watercolour-indian-artist-ca-1890Free Image from public domain licenseTeeth and jawbones of a horse: 34 figures. Coloured engraving by J. Pass after Harguinier, 1805. https://www.rawpixel.com/image/13966951/image-horses-wood-animalFree Image from public domain licensePorcupinefishes: top, Plumier's diodon; centre, the mole diodon; bottom, the bottle fish. Coloured etching by J. Pass after… https://www.rawpixel.com/image/13964340/image-cartoon-animal-public-domainFree Image from public domain licenseTop, two pike fish; bottom right, a walrus; bottom left, a manatee. Coloured etching by J. Pass, 1828. https://www.rawpixel.com/image/13956766/image-cartoon-sea-animalFree Image from public domain licenseDissections of the head of a mole: three figures, showing the musculature of the animal's head and neck. Lithograph by E.… https://www.rawpixel.com/image/13956106/image-paper-cartoon-personFree Image from public domain licensePlate LVIII. Surgical technique for the repair of a hernia. https://www.rawpixel.com/image/13963502/plate-lviii-surgical-technique-for-the-repair-herniaFree Image from public domain licenseA flowering tree branch with a separate germinating seed. Watercolour. https://www.rawpixel.com/image/13959460/flowering-tree-branch-with-separate-germinating-seed-watercolourFree Image from public domain licenseThe Dragon's Mouth Geyser, Wairakei Valley, Taupo district. From the album: Record Pictures of New Zealand (1920s) by Harry… https://www.rawpixel.com/image/13028507/image-paper-steam-personFree Image from public domain licenseThe antlers of an Irish fossil elk, and fossil teeth and tusks. Coloured etching by S. Springsguth, 1833. https://www.rawpixel.com/image/14004621/image-plant-pattern-animalFree Image from public domain licenseSurgical instruments for the treatment of leg injuries. Engraving by E. Mitchell. https://www.rawpixel.com/image/13999380/image-background-paper-cartoonFree Image from public domain licenseA treatise on operative surgery comprising a description of the various processes of the art, including all the new… https://www.rawpixel.com/image/14006220/image-paper-hand-personFree Image from public domain licenseOrnamented borders of Tartary oak (Quercus McCormickii), anchors and a polar bear round circular images of the Antarctic… https://www.rawpixel.com/image/13978521/image-penguin-borders-cartoonFree Image from public domain licenseFossilized head of a chiropolyostinus. Lithograph by B.J. Rossiter, 18--. https://www.rawpixel.com/image/13991069/fossilized-head-chiropolyostinus-lithograph-bj-rossiter-18Free Image from public domain license203. The American Angel-fish (Squatina dumerili) 204. The Hammer-headed Shark (Zygæna malleus) 205. The Long-tailed… https://www.rawpixel.com/image/329458/free-illustration-image-shark-zoology-new-york-kayFree Image from public domain licensePit from which copper ore is extracted. One of the largest manmade holes in the earth. Ruth, Nevada. Sourced from the… https://www.rawpixel.com/image/12275066/photo-image-sky-mountain-earthFree Image from public domain license