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91 
THIRD REPORT OF THE COMMITTEE OF SCIENCE RELATIVE TO 
THE METEOROLOGICAL AND TIDAL OBSERVATIONS. 
[Received by the Council, March 8, 1851.] 
The Committee of Science, having been intrusted with the or- 
ganization and superintendence of the Meteorological and Tidal 
Observations, believe it to be their duty to submit to the Council an 
account of the progress of that undertaking, from the period of 
their last Report on the subject to the present time. 
At the period referred to, the plan of observation had been de- 
finitively arranged; the coast-guard stations had been selected, with 
the sanction of the Comptroller-General; and the necessary orders 
had been issued by that officer to the inspecting commanders of the 
several districts. The Committee, in consequence, placed them- 
-selves in communication with these officers, and the result of that 
communication has been a partial modification of the arrangement 
of the stations originally proposed. Portrush, in the county of 
Antrim, has been substituted for Ballycastle; and Killybegs, in the 
county of Donegal, for Mullaghmore. Old Head and Ardglass were 
subsequently abandoned as tidal stations, chiefly on account of 
difficulties connected with the erection of the tide-gauges; but the 
Committee deeming it important that their places should be sup- 
plied by new stations on the north-eastern and western coasts, an 
application was made by the Council to the Comptroller-General 
on the subject, in the month of October, the result of which has 
been the establishment of the tidal stations of Cushendall, in the 
county of Antrim, and Bunown, in the county of Galway. The 
coast-guard stations, twelve in number, are accordingly the follow- 
ing:—On theEast Coast—Portrush, Cushendall, Donaghadee, Kings- 
town, Courtown, and Dunmore east; and on the West Coast—Bun- 
crana, Killybegs, Bunown, Kilrush, Cahirciveen, and Castle- 
townsend. 
Upon the suggestion of the Committee, an application was made 
by the Council to the Ballast Board, requesting their co-operation. 
This application was favourably received, and orders were in con- 
sequence issued to the light-keepers at some of the principal light- 
