Catalogue of the Fresh-water Fishes of Tropical and South Temperate America; 3, pt.4

Pimelodella and Typhlobagrus; vol. 7 no. 4

Catalogue Of The Fresh-water Fishes Of South America

Catalogue Of The Fresh-water Fishes Of South America

Fishes of Western South America. I. The Intercordilleran and Amazonian Lowlands of Peru. II. The High Pampas of Peru, Bolivia, and Northern Chile

Fishes of Western South America. I. The Intercordilleran and Amazonian Lowlands of Peru. II. The High Pampas of Peru, Bolivia, and Northern Chile

Cheirodontinae

A Subfamily of Minute Characid Fishes of South America Volume no. 1; Volume 7

Cheirodontinae

A Subfamily of Minute Characid Fishes of South America Volume no. 1; Volume 7

American Characidae, Part 1

American Characidae, Part 1

American Characidae, Part 3

American Characidae, Part 3

Pygidiidae, a Family of South American Catfishes

Review of the Doradidæ, a Family of South American Nematognathi, or Catfishes

Transactions, American Philosophical Society (vol. 22, Part 5)

Revision of the South American Nematognathi or Cat-fishes

Report of the Princeton University Expeditions to Patagonia, 1896-1899 (Volume III) Zoology Part IV.; Catalogue of the fresh-water fishes of tropical and south temperate America

Viaje por Colombia 1912

Ríos Magdalena, Bogotá, Cauca, San Juan y Atrato

Cave Vertebrates Of America

A Study In Degenerative Evolution

Revision of the South American Nematognathi Or Catfishes

Cave Vertebrates Of America

A Study In Degenerative Evolution

Catalogue of the Fresh-water Fishes of Tropical and South Temperate America; 3, pt.4

Pimelodella and Typhlobagrus; vol. 7 no. 4

Catalogue Of The Fresh-water Fishes Of South America

Catalogue Of The Fresh-water Fishes Of South America

Fishes of Western South America. I. The Intercordilleran and Amazonian Lowlands of Peru. II. The High Pampas of Peru, Bolivia, and Northern Chile

Fishes of Western South America. I. The Intercordilleran and Amazonian Lowlands of Peru. II. The High Pampas of Peru, Bolivia, and Northern Chile

Cheirodontinae

A Subfamily of Minute Characid Fishes of South America Volume no. 1; Volume 7

Cheirodontinae

A Subfamily of Minute Characid Fishes of South America Volume no. 1; Volume 7

American Characidae, Part 1

American Characidae, Part 1

American Characidae, Part 3

American Characidae, Part 3

Pygidiidae, a Family of South American Catfishes

Review of the Doradidæ, a Family of South American Nematognathi, or Catfishes

Transactions, American Philosophical Society (vol. 22, Part 5)

Revision of the South American Nematognathi or Cat-fishes

Report of the Princeton University Expeditions to Patagonia, 1896-1899 (Volume III) Zoology Part IV.; Catalogue of the fresh-water fishes of tropical and south temperate America

Viaje por Colombia 1912

Ríos Magdalena, Bogotá, Cauca, San Juan y Atrato

Cave Vertebrates Of America

A Study In Degenerative Evolution

Revision of the South American Nematognathi Or Catfishes

Cave Vertebrates Of America

A Study In Degenerative Evolution