The true Democrat., 1855-05-29

0rl-A correspondent of a St. Louis paper, at tempts to dsparage the city of Cairo and sur rounding country, to which the Jonesboro Ga zette replys, and gives said correspondent se- vier castgaton from which we make the fol- lowing extract:
 'One class of mammoth steamers will ply between Cairo and the gulf; another class will navigate all the waters of the upper Mississippi and Missouri; and yet another class will ply upon the waters of the Ohio. What other point 50 well located for the meeting of these differ, ent lines as Cairo? The commercial world al- ready begin to discern this, and magnificent lines of steamers are constructing to run to Cairo as one of the teJm1lt of their operations; others will soon follow, and yet others, until the day is not so far distant as some would have you think, when ten Mousaad of those tioati 2 pala- ces will annually tie to its magnificent wharf Railroads will seek to terminate here from every point of the compass; and six Lustrums'' will not have passed away, ere a hundred locomo~ tivcs will daily yell in an agony of speed as they come rushing on, bearing in their wake the wealth of continents. Then Cairo will spring, with a lions bound, into great city. We have no idea that Locomotive" will live long enough to see the consummation of our hopes in regard to Cairo. His boiler will be burnt out long before that period.
 He asserts that the country around Cairo, for twenty miles or more in any direction, as sub~ feet to inuadution, and what does not overflow is hardly fit for cultivation. This assertion Is ridiculously false. and is a repetition of the stc assertions of others who know no better. His statement in regard to the soil took us by sur prise, as we supposed 1t was conceded on all hands that southern Illinois and the ncighbor- ing country had the richest soil of any other tlmbered country in the world. "locomolve" must be so verdaut that he would not know a cornstalk from a Jamestown weed, or he would not have uttered so foolish sentence in regard to country where they grov six stalks of corn to the hill, four ears to the stalk, and gourd on the top of each with quart of sheled corn in it. There k no country iu the Mississippi valley better off in regard to brealstuffs, than Southern Illinois, immediately around Cairo They have been able to export, while other sec tions, of country have had to import the very nccessaries of life."
 LONG LINES OF TELEGRAPH-The electric telegraph is now established, almost without break, from London, across Europe, under the Black Sea- and into the Crimea--a distance of some eight hundred leagues, which is about equal to four-ffths of the actual distance be- tween Liverpool and New Y orS and more than equal to the whole route from Ireland to Hali- fax. The last newspapers from England, by the Asia, contain intelligence from Balaklava cf the precious date. That is, such intelligence was committed to the wires, at Balaklava, at o'clock in the morning, and received in Lon don on the afternoon of the same day. We may thus calculate on recciVinU news from the Crmea within ten days.
 The submarine cable is laid down some 300 miles at the bottom of the Black Sea.
 It has been a popular notion that submerged lines of communication would be interIered with by under currents and other Instructions. Scientific men in Europe have little fear on that score The principle once established as suc cessful, we may speedily expect to have sub- marine telegraphc line between the Old World and the New, and there is no reason, that once accomplished why the daily news of London and Paris should not be published in this coun- try within a few hours of it's occurrence.