Fishes of Western South America. I. The Intercordilleran and Amazonian Lowlands of Peru. Ii. The High Pampas of Peru, Bolivia, and Northern Chile. With a Revision of the Peruvian Gymnotidae and of the Genus Orestias [by] Carl H. Eigenmann . [and] William Ray Allen .

Eigenmann, Carl H., 1863-1927.