This appendix was written as a reply to a book by Baron Garofalo, called La Superstition socialiste. This book made quite a sensation in Italy and France, not on account of the solidity of its arguments, but merely because Garofalo had been associated with Lombroso and Ferri in founding the modern school of criminology. As Garofalo’s book is practically unknown in this country, I have felt justified in making many and large omissions from this appendix. Gabriel Deville exposed the emptiness of Garofalo’s pretentious book in a most brilliant open letter to the Baron, which appeared in Le Socialiste for the 15th of Sept., 1895.—Tr.
 The present work, which appeared in Italian in 1894, in French in 1895, and in Spanish in Madrid and Buenos-Ayres in 1895. It now appears in English for the first time.
 GIRAUD-TEULON, Double peril social. L’Eglise et le socialisme, Paris, 1894, p. 17.
 E. FERRI, l’Omicidio nell’ antropologia criminale, Turin, 1895, together with Atlas and more especially Religion et Criminalite in la Revue des Revues, Oct.. 1895.
 DE MOLINARI, Science et Religion, Paris, 1894.
 Garofalo suppressed these lines in the French edition of his book.
 Tchisch, la Loi fondamentale de la vie, Dorpat, 1895, p. 19.
 And yet, how many judges have not, to the injury of the Socialists, denied this elementary truth taught by the dictionary!
 More correctly, collective ownership of the land.—Tr.