An ape of the genus troglodytes niger standing before a tropical scenery holding a large branch of a tree. Coloured etching… https://www.rawpixel.com/image/13963943/image-cartoon-person-tree Free Image from public domain license
Four poisonous plants: hemlock (Conium maculatum), henbane (Hyoscyamus niger), opium lettuce (Lactuca virosa) and autumn… https://www.rawpixel.com/image/13961869/image-flower-plant-medicine Free Image from public domain license
A male sable antelope (Hippotragus niger). Coloured lithograph by W C Harris. https://www.rawpixel.com/image/13955334/male-sable-antelope-hippotragus-niger-coloured-lithograph-harris Free Image from public domain license
Four poisonous plants: crowfoot (Ranunculus alpestris), fly agaric fungus (Amanita muscaria), foxglove (Digitalis purpurea)… https://www.rawpixel.com/image/13964045/image-flower-plant-leaf Free Image from public domain license
Black Skimmer from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277225/free-illustration-image-audubon-bird-birds-america-public-domain Free Image from public domain license
Nigerian porters carrying gun parts across the Benue river in a British expedition to suppress slavery. Wood engraving after… https://www.rawpixel.com/image/14012580/image-plant-people-tree Free Image from public domain license
Seven named physicians and botanists of the ancient Greek world. Engraving by Lohié after C. Bourguignon, called Laguiche. https://www.rawpixel.com/image/14000482/image-paper-cartoon-people Free Image from public domain license
A Christmas rose or black hellebore (Helleborus niger): flowering stem. Etching by N. Robert, c. 1660, after himself. https://www.rawpixel.com/image/13987360/image-paper-flower-plant Free Image from public domain license
A Christmas rose (Helleborus niger), a poppy (Papaver species) and borage (Borago officinalis): flowering stems. Etching by… https://www.rawpixel.com/image/13975386/image-paper-flower-plant Free Image from public domain license
White helleborus niger flower, vintage illustration. Remixed by rawpixel. https://www.rawpixel.com/image/10362262/image-flower-plant-person View license
Vintage helleborus flower illustration. Remixed by rawpixel. https://www.rawpixel.com/image/10233612/image-rose-flower-plant View license
Black skimmer bird, vintage animal illustration https://www.rawpixel.com/image/8874569/black-skimmer-bird-vintage-animal-illustration View license
Vector botanical hellebore plant illustration https://www.rawpixel.com/image/2695582/premium-illustration-vector-vintage-christmas-beautiful-beige View license
Vector chlidonias niger bird hand drawn https://www.rawpixel.com/image/2689888/premium-illustration-vector-animal-artwork-aves View license
1. 4. Lancet-Goby (Gobius Lanceolatus) 2. 3. Black Goby (Gobius Niger) from Ichtylogie, ou Histoire naturelle:… https://www.rawpixel.com/image/939052/gobius-lanceolatus-and-gobius-niger Free Image from public domain license
Negro-Mackrel (Scomber niger) from Ichtylogie, ou Histoire naturelle: génerale et particuliére des poissons… https://www.rawpixel.com/image/939022/scomber-niger Free Image from public domain license
Vintage Black-Pampel fish vector https://www.rawpixel.com/image/939015/black-pampel View license
Black-Pampel (Stromateus niger) from Ichtylogie, ou Histoire naturelle: génerale et particuliére des poissons… https://www.rawpixel.com/image/938756/stromateus-niger Free Image from public domain license
Vintage fish illustration https://www.rawpixel.com/image/504566/free-illustration-vector-fish-fish-edward-donovan View license
Vintage fish illustration https://www.rawpixel.com/image/504543/free-illustration-vector-fish-animal-antique View license
Vintage fish illustration https://www.rawpixel.com/image/504525/free-illustration-vector-animal-antique-aquatic View license
Black Goby from The Natural History of British Fishes (1802) by Edward Donovan. Original from the New York Public Library.… https://www.rawpixel.com/image/431404/free-illustration-image-animal-animals-public-domain-antique Free Image from public domain license
1. Black sparrow hawk (accipiter niger) 2. Collared sparrow Hawk (Accipiter Torquatus) illustrated from A Synopsis of the… https://www.rawpixel.com/image/328552/free-illustration-image-hawk-animal-heads-gould Free Image from public domain license
Henbane (Hyoscyamus niger) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson and… https://www.rawpixel.com/image/327207/free-illustration-image-john-stephenson-nightshade-hyoscyamus-niger-botanical Free Image from public domain license
Christmas rose (Helleborus niger) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/326925/free-illustration-image-christmas-hellebore-vintage Free Image from public domain license
Black goby (Gobius niger) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… https://www.rawpixel.com/image/324901/premium-illustration-image-orbigny-fish-goby-ancient View license
Different types of fishes illustrated by Charles Dessalines D' Orbigny (1806-1876) Digitally enhanced from our own 1892… https://www.rawpixel.com/image/324900/free-illustration-image-peacock-orbigny-fish Free Image from public domain license
Black Tern from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277479/free-illustration-image-audubon-birds-america-public-domain Free Image from public domain license