APPENDIX. 141 



From James Bj/ers, Efq; Lift of Dona- 



tions^ 



. A Series of ancient Roman Weights of Bafaltes or Porphyry. 

 Dec. 19. 1791. 



From the Author. 



On Electricity, with occafional Obfervations on Magnetifm, by 

 E. Pert, M. D. 1791. 



On the Properties of Matter and the Principles of Chemiftry, 



by the fame. 1792. 

 On Electric Atmofpheres, by the fame. 1793. 



From the Royal Society of Antiquaries in Scotland. 

 The Tranfactions of the Society, vol. i. 1792. 



From Profeflbr Heyne of Gottingen. 



Befchreibung der Ebene von Troja, &c. being a tranflation of 

 M. Chevaliers paper, [No. I. Lit. CI. of this Vol.] made 

 under the eye of Profeflbr Heyne. Leipfic 1792. 



From the Royal Irifh Academy. 

 A Standard Thermometer, conducted by Samuel Healy, Dublin. 



POST- 



