. Animal biology. Zoology; Biology. 514 GENERAL CONSIDERATIONS taceans appeared during the Cambrian and Ordovician. Myriapods appeared in the Devonian, scorpions in the Silurian, and spiders in the Carboniferous. Eurypterids, which were scorpion-hke but marine,. Fig. 314.—A trilobite, restored, showing limbs and antennae. Dorsal surface. {From LeConte, "Elements of Geology.'") Uved throughout the Paleozoic. They have considerable resemblance to the king crabs, which appeared in the Triassic. Insects appeared first in the Carboniferous, and the largest insects that have ever lived wer
. Animal biology. Zoology; Biology. 514 GENERAL CONSIDERATIONS taceans appeared during the Cambrian and Ordovician. Myriapods appeared in the Devonian, scorpions in the Silurian, and spiders in the Carboniferous. Eurypterids, which were scorpion-hke but marine,. Fig. 314.—A trilobite, restored, showing limbs and antennae. Dorsal surface. {From LeConte, "Elements of Geology.'") Uved throughout the Paleozoic. They have considerable resemblance to the king crabs, which appeared in the Triassic. Insects appeared first in the Carboniferous, and the largest insects that have ever lived were in. 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 Wolcott, Robert Henry, 1868-1934. New York ; London : McGraw-Hill Book Company, Inc.
Size: 1218px × 2051px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
