203 



207 



CONTENTS. 



X . Remarks on fame Sceptical Pofitions in Mr. Hume's Enquiry 

 cmccrning the Human UnJerJianding and his Treatife of Human 

 Nature. By Richard Kirivan, Efq; L. L. D. F. R. S. and 



P. R.I. A. - - ■ - - - Page 157 



XI. Synoptical- View of the State of the Weather in Dublin in the 

 Tear 1800. By Richard Kiriuan, Efq; L. L. D. P. R.I. J. 

 and F.R.S. 



XII. Obfervations on Calp. By the Honourable George Knox, 

 M.R.I. A 



XIII. On the Orbits in which Bodies revolve, being a fled upon by a 

 Centripetal Force varying as any FunSlion of the Diflance, -when 

 thofe Orbits have two Apftdes. By the Reverend J. Brinkley, 

 A. M. Andrews' Profefj'or of Afironomy in the Univerfity of 



Dublin - . . . . . 2ir 



XIV. Obfervations and Experiments undertaken with a view to 

 determine the ^tantity of Sulphur contained in Sulphuric Acid; 

 and of this latter contained in Sulphates in general. By Richard 

 Chenevix, F. R. S. and M. R.I. A. . - . 233 



XV. Meteorological Obfervations made at Londonderry in the Tear 



1800. By William Patter fon, M.D. and M.R.I. A. • 245 



XVI. Of the Variations of the Atmofphere. By Richard Kirwan, 



Efq; L. L. D. F R. S. and P. R.LA. - - - 269 



XVII. Synoptical View of the State of the Weather at Dublin in the 

 Tear 1801. By Richard Kirwan, Efq; L.L.D. F.R.S. 



P. R.I. A. isfc. . - ... 509 



XVJII. On determining Innumerable Portions of a Sphere, the Solidities 

 and Spherical Superficies of which Portions are at the fame Time 

 algebraically afftgnable. By the Rev. J. Brinkley, A. M. 

 Andrews' Profeffor of Afironomy in the Univerfity of Dublin - ^i^ 



