Vi 
CONTENTS. 
V. On the Method of determining , from the real Probabilities of 
Life , the Value of a contingent Reverfon in which Three 
Lives are involved in the Survivorfoip. By Mr. William 
Morgan ; communicated by the Rev. Richard Price, D. D: 
F. R. S. p. 40 
VI. Refult of Calculations of the Obfervations made at various 
Places of the Eclipfe of the Sun , which happened on June 3, 
1 788. By the Rev . Jofeph Piazzi, C. R. Profeffor of AJlronomy 
in the Univerfty of Palermo; communicated by Nevil Mafke- 
lyne, D. D. F. R. S. and AJlronomer Royal . P* 55 
VII. An Account of a bituminous Lake or Plain in the If and of 
Trinidad. By Mr. Alexander Anaerfon ; communicated by 
Sir Jofeph Banks, Bart. P . R. S. p. 65 
VIII. An Account of a particular Change of Structure in the 
human Ovarium. By Matthew Baillie, M. D . ; communi- 
cated by John Hunter, Efq. F. R. S. p. 71 
IX. Some Account of the Vegetable and Mineral Produff ions of 
Boutan and Thibet. Bv Mr. Robert Saunders, Surgeon at 
Boglepoor in Bengal ; communicated by Sir Jofeph Banks, 
Bart. P. R. S. P* 79 
X. A Meteorological Journal kept at the Apartments of the 
Royal Society , by Order of the Prefident and Council. p. 11^ 
