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On Hallowell's type specimens of Reptiles from Venezuela in the Collection of the Academy of natural Sciences of Philadelphia / J. A. Rose
Edité par Academy of Natural Sciences - 1958
In 1845, Hallowell described nine new species of snakes and a Lizard from Venezuela, all of wich were supposed to be new. The subsequent history of these species has been most peculiar, for some have been recognized but others have been completly neglected, including their types...