Engraving of fish and frog species "Trichomycterus Maculatus, Cheiroden Pisciculus, Cystignathus Taeniatus, and Phyllobates Auratus"

William H. Dougal (1822-1895) of Washington, D.C. produced this pre-publication engraving proof of “Trichomycterus maculatus [Cuv. -Val.], Cheiroden pisciculus [Grd], Cystignathus taeniatus [Grd], and Phyllobates auratus [Grd]” now "Trichomycterus maculatus," "Cheiroden pisciculus," "Batrachyla taeniata," (Banded tree frog), and "Dendrobates auratus" (Poison dart frog, Green poison frog, Green and black poison dart frog) from an original illustration by John H. Richard (1807- ca 1881). The image was published as Plate XXXIV in Volume 2, following page 208 of Appendix F (Zoology-Fishes) by Charles Girard (1822-1895) in the report describing "The U.S. Naval Astronomical Expedition to the Southern Hemisphere during the Years 1849, 1850, 1851, and 1852" by James M. Gillis (1811-1865). The volume was printed in 1855 by A. O. P. Nicholson (1808-1876) of Washington, D.C. The print is also signed in pen "Correct, C.Girard."

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