Haeckel’s Genesis of man, or, History of the development of the human race. Being a review of his “Anthropogenie”, and embracing a summary exposition of his views and of those of the advanced German school of science Q Science
Farben-Kugel, oder, Construction des Verhältnisses aller Mischungen der Farben zu einander, und ihrer vollständigen Affinität : mit angehängtem Versuch einer Ableitung der Harmonie in den Zusammenstellungen der Farben Q Science
Manual of geology, treating of the principles of the science, with special reference to American geological history, for the use of colleges, academies, and schools of science Q Science
