Cope, 1876 "1875" : On the Batrachia and Reptilia of Costa Rica : With notes on the herpetology and ichthyology of Nicaragua and Peru. Journal of the Academy of Natural Sciences of Philadelphia, sér. 2, vol. 8, p. 93–154 (texte intégral).
↑Cope, 1876 "1875" : On the Batrachia and Reptilia of Costa Rica : With notes on the herpetology and ichthyology of Nicaragua and Peru. Journal of the Academy of Natural Sciences of Philadelphia, sér. 2, vol. 8, p. 93–154 (texte intégral).