Naturalist and entomologist. Between 1877 and 1880, he found thirty-two new, rare species of Permian vertebrates, including stegocephalian amphibians and theromorph reptiles, land forms that were embedded in deltas of Texas rivers. At the same time he made an extensive collection of tiny butterflies and moths, as well as Texas reptiles, batrachia, and fish.
Naturalist and entomologist. Between 1877 and 1880, he found thirty-two new, rare species of Permian vertebrates, including stegocephalian amphibians and theromorph reptiles, land forms that were embedded in deltas of Texas rivers. At the same time he made an extensive collection of tiny butterflies and moths, as well as Texas reptiles, batrachia, and fish.
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