or All Men of One Blood, has been much expanded. Three new illustrations of my leading principle have been added, and largely treated; viz. the Origin of Man, the Origin of Life, and Design as indicating creation. In short, no pains have been spared to bring the treatise down to the present state of Science and the controversies of the present time, as far as they appertain to the subject I have taken in hand.
The book has been thus increased by about half the amount of matter which the last edition contained; but the price remains as before.