—For 1888: A well demonstrated discovery in the treatment of pellagra, or on the nature of contagious miasms (2500 francs). Memoir to be deposited before December 31. For 1889: 1. History of hypnotism; critical examination of questions relating to it, with personal experiments (1500 francs). To be in hand before April 30, 1889. 2. Original researches on the embryology of the nervous system of mammifers (2000 francs). 3. Show some point in the macroscopic and microscopic anatomy of the human brain (2000 francs).