The Current Status of the Rare Usambara Mountain Forest-Viper, Atheris Ceratophorus WERNER, 1895, Including A Probable New Record Of A. Nitschei Rungweensis BOGERT, 1940, And A Discussion Of Its Validity (Reptilia, Serpentes, Viperidae)

Abstract
The recent collecting of five specimens of Atheris ceratophorus WERNER, 1895, together with an examination of material already deposited in various museums documents new records outside the Usambara Mountains to which the species had been believed to be endemic. Lepidosis and hemipenial characters have been investigated and tabulated to give an impression of the intraspecific variation. The data of the new specimens provide some information on the natural history of this species. The validity of A. nitschei rungweensis is discussed and a probable new record is given.
Description
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Citation
Rasmussen, J.B. and Howell, K.M., 1982. The current status of the rare Usambara Mountain Forest-Viper, Atheris ceratophorus WERNER, 1895, including a probable new record of A. nitschei rungweensis BOGERT, 1940, and a discussion of its validity (Reptilia, Serpentes, Viperidae). Amphibia-Reptilia, 3(2), pp.269-277