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171 results
  • Engraving of a Frog
  • Galvanoscopic frog
  • The edible frog with tadpole, tree frog with tadpole and horned frog. Coloured engraving by J. W. Lowry after C. Bone.
  • Xenopus frog egg removal
  • Xenopus frog egg removal
  • Xenopus frog eggs, just removed
  • Blood corpuscles of a frog.
  • A frog standing on a mushroom feeding a wasp to a sleeping frog underneath him. Colour lithograph after E.M.
  • Xenopus frog egg removal, 1st incision
  • Xenopus frog egg removal, 1st incision
  • Xenopus frog egg removal, eggs on belly
  • Xenopus frog egg removal, eggs on belly
  • Xenopus frog egg removal, 2nd incision
  • Xenopus frog egg removal, eggs in beaker
  • "the frog-fish of Surinam" George Edwards
  • Ludwig and Coats'a frog-heart apparatus.
  • Xenopus frog on ice awaiting removal of eggs
  • Xenopus frog on ice awaiting removal of eggs
  • Xenopus frog on ice awaiting removal of eggs
  • Xenopus frog on ice awaiting removal of eggs
  • Xenopus frog egg removal for patch clamping studies
  • Xenopus frog egg removal for patch clamping studies
  • A male and female frog courting, watched by a frog voyeur. Photograph by J.P. Soule, 1876, after a drawing by F(?). Lord.
  • American Jack : the Frog Man... : American Museum, 8 Catherine Street, Strand, W.C. : manager: M. Pollock.
  • American Jack : the Frog Man... : American Museum, 8 Catherine Street, Strand, W.C. : manager: M. Pollock.
  • Frog-bit plant (Hydrocharis morsus-ranae) with an associated water-beetle and its abdominal segments. Coloured etching, c. 1830.
  • A bull frog. Coloured etching by J. Heath, 1802.
  • Radiograph: frog with a broken leg that has healed.
  • Spermatozoa of a frog. Photomicrograph by Léon Foucault, 1844.
  • Blood corpuscles of a frog. Photomicrograph by Léon Foucault, 1844.