vi CONTENTS. 



for the Tear 1782. By the Rev, S. Vlnce, M. A; 

 commu?ilcated by Nevil Mail'Celyne, D, D, F, R, S, a?id 

 Aflronomer Royal, P* 32 



V. Defer iption of a Plant yielding Afa fcetida. In a Letter 



from John Hope, M. D. F. R. S. to Sir Jofeph Banks, 



Bart, P. R S, p. 36 



V!. Gifahgue of Double Stars, By William Herfchel, Efq, 

 F. R. S. p. 40 



VII. Obfervations of a new Variable Star, In a Letter from 

 Edward Pigott, Efq, to Sir H. C. Englefield, Bart.F. R, S, 

 a?]d A. S. P« 127 



Vill. Afironomical Obfervations^ In two Letters from M. 

 Francis de Zach, Profeffor of Mathematics^ and Member of 

 the Royal Academies of Sciences at Marfeilles, Dijon, and 

 Lyons, to Mr. Tiberius Cavallo, F. R. S. p. 137 



IX. Obfervations of a new Variable Star. By John Goodrlcke, 

 Efq. ; communicated by Sir H. C. Englefield, Bart. F. R. S, 

 and A. S. p. I ^"^ 



X. On the Motion of Bodies affeSicd by FriSlion, By the Rev, 

 Samuel Vince, A.M. communicated by Ainhony Shepherd, 

 D. D. F. R. S, Plumian Profejfor of Afrommy and experi' 

 77icntal Philofophy at Q^rcihn^gQ. P* ^^5 



XL Obfervations and Experiments on the Light of Bodies in a 

 State of Combuftion. By the Rev. Mr. Morgan ; communicated 

 by the Rev. Richard Price, LL.D. F.R.S. p. 190 



XII. On theConjlrudiion of the Heavens, P^'WIUIam Herfchel, 

 Efq. F.R.S. p. 213 



XIII. Remarks on fpecifc Gravities taken at different Degrees of 

 Heat^ and an eafy Method of reducing them to a common Stan- 

 J/ird. By Richard Kirwan, Efq. F.R.S. p. 267 



XI V, 



.0 



