Desiring to know something respecting the passengers in the last boat, I proceeded on board; and as soon as the stoppage of the steam permitted me to be heard, I inquired of the clerk of the boat how many persons he had brought from New Orleans. "Plenty of live stock," was his reply, "plenty of live stock; we have three hundred English emigrants, all on their way to join Joe Smith, the prophet at Nauvoo." I walked into that portion of the vessel appropriated to the poorer class of travellers, and here I beheld my unfortunate countrymen crowded together in a most comfortless manner. I addressed myself to some of them, and found that they were from the neighbourhood of Preston in Lancashire. They were decent-looking people, and by no means of the lowest class. I took the liberty of questioning them respecting their plans, and found that they were indeed the dupes of the missionaries of Mormonism. I begged them to be on their guard, and suggested to them the importance of not committing themselves and their property to a person who had long been known in that country as a deceiver. They were, however, bent upon completing the journey which they had designed, and although they civilly listened to my statements, they professed to be guided in reference to the prophet by that perverted precept of Scripture; "Prove all things, hold fast that which is good." From this moment I determined to visit the stronghold of the new religion, and to obtain, if possible, an interview with the prophet himself. Accordingly, on Friday evening, April 15th, I embarked on board the fine steamer "Republic," bound, as her advertisement assured me, "for Galena, Dubuque, and Prairie du Chien." I had laid aside my clerical apparel, and had assumed a dress in which there was little probability of my being recognized as a "minister of the Gentiles." In order to test the scholarship of the prophet, I had further provided myself with an ancient Greek manuscript of the Psalter written upon parchment, and probably about six hundred years old. Shortly after six o'clock our paddles were in motion, and we were stemming the rapid current of the "Father of waters," while the booming of our high-pressure engine re-echoed from the buildings and the woods along the shore. The passengers were principally emigrants from the eastern states, on their way to the new settlements in Iowa and Wisconsin. Those in the cabin were so numerous, that our long supper-table was three times replenished at our evening meal; while a still greater number crowded the apartments of the deck passengers. During the night we passed the confluence of the Missouri and the Mississippi, and in the morning we were pushing our way through the comparatively clear waters, and along the woody banks of the Upper Mississippi. Occasionally we passed a small village, and two or three times during the day we landed at some rising town; but generally the scene was one in which nature enjoyed undisturbed repose.