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Restoration of under side of a trilobite

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Restoration of under side of a trilobite.jpg Head of the ancestral elephantMiniaturesEarly Pleistocene Animals, Contemporary with Earliest ManHead of the ancestral elephantMiniaturesEarly Pleistocene Animals, Contemporary with Earliest ManHead of the ancestral elephantMiniaturesEarly Pleistocene Animals, Contemporary with Earliest ManHead of the ancestral elephantMiniaturesEarly Pleistocene Animals, Contemporary with Earliest ManHead of the ancestral elephantMiniaturesEarly Pleistocene Animals, Contemporary with Earliest ManHead of the ancestral elephantMiniaturesEarly Pleistocene Animals, Contemporary with Earliest ManHead of the ancestral elephantMiniaturesEarly Pleistocene Animals, Contemporary with Earliest Man
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Restoration of under side of a trilobite (Triarthrus becki), the trunk limbs bearing small triangular respiratory lobes or gills.—After Beecher.

Auteur
A Text-book of Entomology
by Alpheus S. Packard
Published 1898
Available from gutenberg.org
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610*982
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