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harvard university
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harvard university
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harvard university
reptiles
harvard university
reptiles
harvard university
reptiles
harvard university
reptiles
harvard university
reptiles
harvard university
reptiles
harvard university
reptiles
switzerland
fossil
cambridge natural history, amphibia and reptiles
edith durham
testudines illustrations
kinosternon scorpioides
testudinidae illustrations
chelonoidis denticulatus
peltocephalus dumerilianus
testudines illustrations
testudines illustrations
podocnemis expansa
testudinidae illustrations
chelonoidis denticulatus
animalia nova sive species novae testudinum et ranarum
anura illustrations
peltocephalus dumerilianus
testudines illustrations
united states
bird
self-published work
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carl mayr-graetz
charters
paleontology
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paleontology
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paleontology
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harvard university
ernst mayr library
harvard university
ernst mayr library
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mollusk
shell
mollusk
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shell
mollusk
shell
mollusk
shell
mollusk
shell
harvard university
paleontology
harvard university
paleontology
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