CONTENTS. 



SCIENCE. 



Page 



I. An Account of some Chalybeate Preparations in the 

 Pharmacopeia Regis et RegimB in Hibernia, 

 by Robert Perceval, M. D. in the University of 

 Dublin. _---_-_i 

 II. AnPiSsay on the present state of AstronomicalCertain- 

 ty with regard to the Earth's Magnitude, 4'C. by 

 the Rev. J. A. Hamilton, D.D. Dean ofCloyne. 13 



III. Further Considerations on the Comparative observa- 



tions, SfC. by the same. - - - - 25 



IV. On Sir Isaac Newton's first Solution of the Problem 



for finding the Relation between Resistance and 

 Gravity, that a body may be made to describe a 

 given Curve, ^-c. by the Rev. J. Brinkley, D. D. 

 F. R. S. and M. R. I. A. - - - - 45 



V. A Descriptioji 



