 | Alfred Sherwood Romer - Science - 1959 - 572 pages
Traces the development of vertebrate animals through 400 million years describing structures, functions, habits and behavior. | |
 | Alfred Sherwood Romer - Anthropology - 1959 - 580 pages
Traces the development of vertebrate animals through 400 million years describing structures, functions, habits and behavior. | |
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