Report Historical and Statistical on the Collections in Geology, Boolon and Botany
 »

World-Life; Or, Comparative Geology
 »

Shall We Teach Geology ?; A Discussion Of The Proper Place Of Geology In Modern Education
 »

The Doctrine Of Evolution; Its Data, Its Principles, Its Speculations, And Its Theistic Bearings
 »

Sketches Of Creation
A Popular View Of Some Of The Grand Conclusions Of The Sciences In Reference To The History Of Matter And Of Life. Together With A Statement Of The Intimatio... »