Louis Agassiz, His Life And Corresponden
 »

Grundzüge der Zoologie, Erste Abtheilung
 »

Foot-Prints of the Creator, Or, the Asterolepis of Stromness
 »

Foot-Prints of the Creator
Or. the Asterolepis of Stromness »

The Foot-Prints Of The Creator
Or, the Asterolepsis of Stromness ... »

Thayer Expedition
Scientific Results Of A Journey In Brazil »

Contributions To The Natural History Of The United States Of America (V. 1)
 »

Principles Of Zoology
Touching The Structure, Development, Distribution, And Natural Arrangement Of The Races Of Animals, Living And Extinct With Numerous Illustrations: Part 1, C... »

Outlines Of Comparative Physiology: Touc
Touching the Structure and Development of the Races of Animals, Living and Extinct »

Untersuchungen Ber Die Gletscher
 »