5 Salamandra Image: NYPL's Public Domain Archive Public Domain Search}

32. The Tiger Triton (Triton tigrinus). 33. The Yellow-bellied Salamander (Salamandra symmetrica). 34. The Crimson-spotted Triron (Triton millepunctatus). 35. The Dusky Triton (Triron niger).

Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image

Public domain reproduction of art print, free to use, no copyright restrictions image - Picryl description

Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image

Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image