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 ...
- Lexington, Ky., The University of Kentucky, 1942.
- 494 p. incl. illus., XXII pl. (incl. front.) tables, diagr. fold. map. 32 x 25 cm.