... The Gymnotidæ.
By: By Carl H. Eigenmann and David Perkins Ward.
Contributors: Ward, David Perkins, joint author.
Series: Prodeedings of the Washington academy of sciences.; vol. vii, p. 159-188
Publisher: The Academy
Published: 1905
Place of publication: Washington, D.C
Language: eng
Number of pages: 188
Subjects: Gymnotidae.; Fishes -- South America.