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ID: ptc-1276
Teleoceras, watercolor painting by Charles R. Knight, 1898
ID: 136
Animal skeleton, American Museum of Natural History, New York, 1898
ID: ptc-2428
Mesonyx
ID: ptc-1025
Elotherium
ID: b10432012
Cover with frog from William Furneaux's Life in ponds and streams
ID: b10263408
Cover with bird and frog from Edward Hamilton Aitken's "The tribes on my frontier"
ID: 312092
Ships, part of the guano extraction trade, off the Chincha Islands, Peru
ID: 311822
Guano chutes in the town on the North Island, the Chincha Islands, Peru, 1860
ID: b1137011_2
Phyllopteryx foliatus from Schinz's Naturgeschichte und Abbildungen der Fische
ID: b11358725_6
Phoque carcinophage, three views of skull from d'Urville's Voyage au pole sud et dans l'Océanie
ID: b11358725_2
Megaptera novaeangilae, humpback whale, and detailed diagrams from d'Urville's Voyage au pole sud et dans l'Océanie
ID: b11358725_1
Phoque carcinophage, crabeater seal, from d'Urville's Voyage au pole sud et dans l'Océanie
ID: b1136598
Blue spiny starfish from d'Orbigny's Mollusques, echinodermes, foraminiferes et polypiers
ID: b11371523_6
Uncolored key plate from Rösel von Rosenhof's Historia naturalis ranarum nostratium
ID: b11371523_4
The development of the spadefoot from Rösel von Rosenhof's Historia naturalis ranarum nostratium
ID: b11371523_3
Green frog dissection and skeleton from Rösel von Rosenhof's Historia naturalis ranarum nostratium
ID: b11371523_2
Green frog and process of amplexus, egg deposition, and fertilization from Rösel von Rosenhof's Historia naturalis ranarum nostratium
ID: b11371523_1
Frontispiece with fire newt, sand lizard, and frogs from Rösel von Rosenhof's Historia naturalis ranarum nostratium
ID: b11371523_5
Partial view of colored plate depicting dissection of the spadefoot Pelobates fuscus from Rösel von Rosenhof's Historia naturalis ranarum nostratium
ID: b10276415_4
Hydra, lizard, and birds, illustration from Seba's Locupletissimi rerum naturalium thesauri accurata descriptio
ID: b10276415_1
Portrait of Albertus Seba, frontispiece for his Locupletissimi rerum naturalium thesauri accurata descriptio
ID: b10571644_2
Animals of Madagascar from Flacourt's Histoire de la grande isle Madagascar
ID: 411262
Restored fossil rodent skull from Neochoerus pinckneyi, side view, Pleistocene, Florida, 1930
ID: 240669
Preparing specimens on board steamer ship Nyoala
ID: ptc-2426
Metamynodon
ID: 100219817
Patriofelis and crocodile prey, painting by Charles Knight, 1896
ID: 419
Gorilla skeleton exhibit
ID: 418
Gorilla skeleton sitting on branch, exhibit, circa 1880-1910