No. VI. 



DAILY OBSERVATIONS ON THE WEATHER, 



AND ON 



THE RISE AND FALL OF THE SHANNON, 



DURING THE YEARS 1846, 1847, AND 1848, 



MADE AT ATHLONE. 



BY 



JOHN LONG, ESQ. 



PRESENTED TO THE ACADEMY 



BY COLONEL H. D. JONES, R.E., 



CHAIRMAN OF THE BOARD OF WORKS, 



DECEMBER 10, 1849. 



