CONTENTS. 



Pr E fa CE. By the Rev, Robert Burrowes, A. M. Fellow of 

 Trinity College, Dublin, and M. R. I. A. 



SCIENCE. 



I. An Account of the Obfervatory belonging to Trinity- 

 College, Dublin. By the Rev. H. Usjher, D. D. Senior 



Fellow of Trinity-College, Dublin, F. R. S. and M. R. I. A. Page 3 



II. An Account of Parhelia, feen September 24, 1783, 

 at Cookfown. By the Rev. J. A. Hamilton, D. D. 

 M.R.I. A. - _ - 23 



III. Obfervations of the Lunar Ecligh, March 18, 1783 - 25, 



IV. A fynthetical Demonf ration of the Rule for the 

 ^adrature of fimple Curves, per aquationes terminorum 



numero infinitas. By the Rev. M. Toung, D. D. 



Fellow of Trinity College, Dublin, M.R.I. A, - 31 



V. Defcription of a new portable Barometer. By the Rev. 



A. MGiiire - - - " 4i 



VI. Obfervations on Pemphigus. By Stephen Dickfon, 



M.D. M.R.I.A. - - - 47 



VII. On the Extraction of Cubic and other Roots. Commu- 

 nicated by the Rev. M. Toung, D. D. Fellow of Trinity 

 College, Dublin, M.R.I. A. - - - 59 



Vni. Hifory of an Ovarium, wherein were found Teeth, 



Hair and Bones. By James Cleghorn, M.B. - 73 



