LETTER FROM REV. H. H. JESSUP. Beirut, Stria, January 31, 1866. Dear Brother Mears :— Six months ago I wrote you a journal of missionary experience. The cholera had then just made its appearance in the Beirut quar antine. Within three months after that time, it had overrun the whole of Egypt and Syria, Mesopotamia, Asia Slinor, European Turkey. It moved steadily Northward and Westward, marked by the same characteristics everywhere, and continuing in each place attacked nearly the same length of time, a period of about three months It reached Beirut July Ist, and disappeared about October Ist. It continued about, the same length of time in Alexandria, Jerusalem, Sidon, Damascus, aDd Aleppo. It was most revere in the notoriously unhealthy cities, and in the filthy quarters of healthy >-ities like Beirut. Tripoli is a city surrounded by miasmatic, ground, to d the cholera remained there more than four months. In the Bukaa, the great plain between Lebanon and anti-Lebanon, the disease was most severe where the cattle murrain had been most fatal. At Kob Elias, near the line of the Damascus carriage road, the carcases of five hundred dead cattle were thrown into the vaults and cisterns of the ruined castle above the village. The place was decimated by the cholera. The disease was not more violent or fatal than