Caps and combs
Celtic hatchets
Water disinfecting apparatus 19th century
Sepulchar stone circle
Sunspots Deutsch: Sonnenflecken
Solar spots
Solar surface
Solar faculae
Spiral Sun spots
Astigmatism
Mammoth
Flint implements
Flint hatchets
Fresh water hydra
Plumularia Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Charles Lyell
Multiplication of polyps by spontaneous fission
Coral polype and corals
Coral
Brain coral
Porites
Aurora Island (now Makatea)
Island surrounded by coral Public domain photograph of a volcano, eruption, volcanic smoke, ashes, lava, free to use, no copyright restrictions image - Picryl description
Coral atoll
Madrepore
Millipores
Human encephalon
Brazilian coral heads
Alcyonoid Polypes
Frog with half cerebrum Public domain photograph of 19th-century drawing, free to use, no copyright restrictions image - Picryl description
Frog without cerebrum Public domain photograph of 19th-century drawing, free to use, no copyright restrictions image - Picryl description
James Dwight Dana
Combined meteor shower orbit
Organic nervous system Public domain scan of silhouette drawing, free to use, no copyright restrictions image - Picryl description
Feodor Ivanovitsch Kalmuk painter Public domain photograph of engraving, portrait, illustration, Russia, free to use, no copyright restrictions image - Picryl description
Frog with half cerebrum destroyed Public domain photograph of 19th-century drawing, free to use, no copyright restrictions image - Picryl description
Frog with mutilated pons varolii Public domain photograph of 19th-century drawing, free to use, no copyright restrictions image - Picryl description
November meteor shower orbit
Balls of fire in the sky
August meteor shower orbit
Brain's optic nerve
Object of sight
Eye structure
Duck wounded in the right cerebellum
Asa Gray
Section of strata along the Niagara river from lake to lake
Eye focal structure
The Female House-Spider (Tegenaria domestica): Enlarged View of Anterior Portion of Cephalothorax, bearing the Eight Eyes, and Hairs.—a, one of the Hairs magnified.
Niagara Falls region Public domain scan of a plan of settlement buildings, free to use, no copyright restrictions image - Picryl description
Diagram depicting subconscious brain activity
House-Spider (Tegenaria domestica): Edge of Maxilla, greatly enlarged, showing Teeth and Hairs.
Original description: The Female House-Spider (Tegenaria domestica), as seen with a magnifier.—a a, Eyes; b b, Mandibles; c c, Maxillary Palpi.
House-Spider (Tegenaria domestica): Termination of the Jaw, or Mandible.—a, Row of Teeth on the Claw; b, Basal Joint of Mandible, showing the Five Large Teeth; c, Commencement of Poison-sac; d, Course of the Po Еще
Last joint of the maxillary palpi
Spider body parts 2
Geologic structure of Goat Island
Great lakes and the St Lawrence river Public domain photograph of architectural diagram, building plan, section, free to use, no copyright restrictions image - Picryl description
Spider foot and comb
Spider body parts 4
Spider foot
Primordial life
Spider maxilla and male spider #2 Public domain scan of drawing of insect, zoological illustration, free to use, no copyright restrictions image - Picryl description
Tarrant's Seltzer logo
Haeckel's monera
Spider body parts 3
Niagara escarpment
Posterior Portion of Spider's Body, showing the Six Spinnerets.—a. Shorter Spinnerets, with Circlets of Tubes; a*, the same magnified; b b b, Spinning-tubes on Long Spinnerets; b*, Single Tube magnified.
Chlorophyll_corpuscles
Coatimundi
Racoon
William_Benjamin_Carpenter
South American tapir
Chlorococcus Corpuscles
Wild boar
Coati mondi asleep
Illustration of the head and trunk of an Asiatic elephant
Peccary
Brown bear
Edward Sabine Public domain photograph of a portrait, illustration, engraving, free to use, no copyright restrictions image - Picryl description
Venus fly trap Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Mimosa pudica Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
White headed capuchin monkey Public domain photograph of 19th-century drawing, free to use, no copyright restrictions image - Picryl description
Climbing plant Public domain scan of drawing, 19th century botanical illustration, free to use, no copyright restrictions image - Picryl description
Bignonia Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
David Livingstone
Solway Moss hatchet
Mimosa sensitiva Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Australian Stylidium flower
Polished celts Public domain photograph related to kelts, Keltic, free to use, no copyright restrictions image - Picryl description
Zoospores
Spindle Whorl
Ancient jet necklace "from Ross-shire" Scotland, Neolithic or Bronze Age
Sling stone
Ring tailed lemur
Ancient armlets