Rosati forgot at the seminary the music for the Three Hours of Agony. He wishes Father Blaise Raho, C.M. to send it. Mr. Nicolet, a member of the French Institute, great mathematician, astronomer, mineralogist, who has spent two years making excursions through the United States and observations with the best instruments ever seen in Europe, arrived here Saturday. He will remain two months in Missouri and will visit the Barrens. Rosati wishes Timon could come and assist at the observations Nicolet makes in St. Louis. Nicolet is willing to render every service to the professor of sciences. To all these qualifications of learning, Nicolet adds that of being a good practical Christian. His visit will do much good to the seminary, but Timon ought to prepare for it, and remove, etc. On the address side of the letter: favor of A. ? Landry. :: IV-3-j A.L.S. 3pp. 4to.