On a new Exogyra from the Del Rio clay and some observations on the evolution of Exogyra in the Texas Cretaceous Q Science
The principles of light and color: including among other things the harmonic laws of the universe, the etherio-atomic philosophy of force, chromo chemistry, chromo therapeutics, and the general philosophy of the fine forces, together with numerous discoveries and practical applications .. Q Science
A memoir of Zerah Colburn; written by himself. Containing an account of the first discovery of his remarkable powers; his travels in America and residence in Europe; a history of the various plans devised for his patronage; his return to this country, and the causes which led him to his present profession; with his peculiar methods of calculation Q Science
