Ueber Tundren und Steppen der jetzt- und vorzeit, mit besonderer Berücksichtigung ihrer Fauna Q Science
A laboratory manual in elementary biology; an inductive study in animal and plant morphology designed for preparatory and high schools Q Science
The universe and the coming transits: presenting researches into and new views respecting the constitution of the heavens: together with an investigation of the conditions of the coming transits of Venus .. Q Science
The naturalist in Bermuda; a sketch of the geology, zoology, and botany of that remarkable group of islands; together with meteorological observations Q Science
