Colomer, J. E. D.167.31=D.168.37 Oir, ver, y callar, y el mayor monstruo del mundo. Madrid. P. Marin. 1781. (3), 115 pp. Sm. 8°. "Against mothers who do not nurse their own child- ren. A follower of Rousseau."—MS. note by Mr. Ticknor.