Anatomie des Frosches / A. Ecker und R. Wiedersheim ; auf Grund eigener Untersuchungen durchaus neu bearbeitet von Ernst Gaupp.

abt. 1

Die Anatomie des Frosches : ein Handbuch für Physiologen, Ärzte und Studirende / von dr. Alexander Ecker.

abt. 1-3

Die Anatomie des Frosches : ein Handbuch für Physiologen, Ärzte und Studirende / von dr. Alexander Ecker.

Abt. 1-2

Systematics and zoogeography of Philippine amphibia.

v.33:no.4(1954)

The tailless batrachians of Europe /

pt. 2

The tailless batrachians of Europe /

pt. 1

A continuous flow system using fish and amphibian eggs for bioassay determinations on embryonic mortality and teratogenesis /

Issued Apr. 1977.

The ornithology of the Caribbean coast of extreme eastern Panama /

Pgs. 373-387 "New reptiles and amphibians from Tanganykia terrirtoy and Kenya colony/by Loveridge, Arthur. "March, 1932."

Catalogue of the Batrachia salientia in the collection of the British Museum /

Índice.

The American natural history; a foundation of useful knowledge of the higher animals of North America,

I. Mammals.--II. Mammals (concluded) Birds.--III. Birds (concluded)--IV. Reptiles, amphibians and fishes.