The Massacre in Syria.; LETTER FROM THE AMERICAN CONSUL AT BEIRUT. Published: August 10, 1860 The following letter was read at the Monthly Concert of prayer for Missions, in Providence, R.I., on the 4th inst.: BEIRUT, SYRIA, Thursday, June 28, 1860. MY DEAR SIR -- You have doubtless heard of the horrible massacres that have just been perpetrated upon the poor Christians of Mount Lebanon by the Druses, aided in some cases by Turkish soldiery. A few facts may give you an adequate idea of the present state of things in Syria. The American Missionaries have estimated the loss sustained...