By Arthur Macdonald.

Including stigmata of degeneration being a hearing on the bill (h. R. 16733) to establish a laboratory for the study of the criminal, pauper, and defective classes. Before A Sub-Judiciary Committee Of The United States House Of Representatives.”To find whether or not there are any physical or mental characteristics that distinguish criminal children from other children. Such knowledge would make it possible to protect children in advance and lessen the chances of contamination.”

Harrow and Heston Classic Reprint. (1908) 337 pages.