VI 
CONTENTS. 
* 
Afironomy in the Univerfity of Copenhagen ; communicated by 
Sir Jofeph Banks, Bart . P. R. S. p. 37 
VIII. Defer ipt ion of a Set of Halo's and Parhelia , feen in the 
Yeariqqi, in North- America. By Alexander Baxter, Efq. ; 
communicated by Sir Jofeph Banks, Bart. P. R . S. p. 44 
IX. Obfervations of the Yranfit of Mercury, May 4, 1786, at 
Drefden. By M. Kohler, Infpedior of the Mathematical 
Rcpojitory of the Elector of Saxony ; communicated by the 
Count de, Bruhl, F. R. S. P* 47 
X. Obfervations of the Tranfit of Mercury at St. Peterlburg. 
In a Letter from M. Rumovlki, Afironomer in the Imperial- 
Academy A 0 Mr. J. H. de Magellan, F.R.S. p. 48 
XI. An Account of the Strata obferved in finking for Water at 
Bohon, in Lincoln fhire. By Mr. James Limbird, Surveyor 
to the Corporation ; communicated by Sir Jofeph Banks, Bart. 
P. R. S. " P* 5 ° 
XII. Obfervations of Mifs Herfchel’s Comet , in Auguf and 
September , 1786. By the Rev. Francis Wollafton, LL.B. 
F. R.S. _ p. 55 
XIII. An Account of a Thunder-Jlorm in Scotland; with feme 
Meteorological Obfervations. In a Letter from Patrick 
Brydone, Efq. F. R. S. to Sir Jofeph Banks, Bart . P. R. S. 
p. 61 
XIV. On finding the Values of Algebraical Quantities by con- 
verging Seriefes , and demonfirating and extending Propofitions 
given by Pappus and others . By Edward Waring, M. D . 
F. R. S . Profeffor of Mathematics at Cambridge. p. 71 
XV. Experiments on the Production of Dephlogifiicated Air from 
IV ater with various Subfiances. In a Letter from Sir Benjamin 
Thompfon, Knt. F.R.S, to Sir Jofeph Banks, Bart . P. R. S . 
3 ' P- 8 4 
