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VOL. LXXXI. Fart I. 
I. ^ SECOND Paper on Hygrometiy . By J. A. De Luc* 
Efq. F. R. S. Page i 
II. 0 « the Production of Ambergris. A Communication from the 
Committee of Council appointed for the Confi deration of all Mat - 
ters relating to Trade and Foreign Plantations ; with a prefatory 
Letter from William Fawkener, Efq. to Sir Jofeph Banks, 
Bart . P. R. So. p. 43 
III. Obfervations on the Affinity between Bafaltes and Granite . 
By Thomas Beddoes, M. D . ; communicated by Sir Jofeph 
Banks, Bart, P . R. S. p. 48 
IV. On Nebulous Stars , properly fa called. By William Her- 
fchel, LL.D. F. R . S. p. 71 
V. AbftraCl of a Regifier of the Barometer, Thermometer , and 
Rain , at Lyndon in Rutland ; by Thomas Barker, Efq 
with the Rain in Hampfhire and Surrey; for the Tear 1789. 
Communicated by Thomas White, Efq. F. R. S. p. 89 
VI. Obfervations on certain horny Excrefcences of the Human 
Body. By Everard Home, Efq. F. R . S. p. 95: 
VIL Con- 
