. The dinosaurs of North America. Dinosaurs. Fin. 2.—Slab of Connecticut River sandstone: allowing footprints of two dinosaurs on a surface marked by raindrop impressions. One-tenth natural size. Triassic. Massachusetts. When the footprints in the Connecticut sandstone first attracted attention, in 1835, many of these impressions resembled so closely those made by birds that they were from the first attributed to that class, and for many years it was not seriously questioned that all the three-toed impressions, even the most gigantic, were really the foot- prints of birds. The literature on th
. The dinosaurs of North America. Dinosaurs. Fin. 2.—Slab of Connecticut River sandstone: allowing footprints of two dinosaurs on a surface marked by raindrop impressions. One-tenth natural size. Triassic. Massachusetts. When the footprints in the Connecticut sandstone first attracted attention, in 1835, many of these impressions resembled so closely those made by birds that they were from the first attributed to that class, and for many years it was not seriously questioned that all the three-toed impressions, even the most gigantic, were really the foot- prints of birds. The literature on this subject is very extensive, but its value to science has been seriously impaired by the discovery oi dinosaurian remains in various parts of the world, which prove that many of these reptiles were remarkably bird-like and that their tracks could not be distinguished from those of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marsh, Othniel Charles, 1831-1899. Washington, Govt. Print. Off.
Size: 1687px × 1481px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashi, bookyear1896
