PRINTED FOR T. CADELL JUN. AND W. DAVIES

(SUCCESSORS TO MR CADELL) IN THE STRAND, LONDON,

AND

J. DICKSON, AND E. BALFOUR, EDINBURGH.

MDCCXCVIII.

CONTENTS

OF THE

FOURTH VOLUME.

PART I.

HISTORY of the SOCIETY.

Page 4.

Four Theorems for refolving all the Cafes of Plane and Spheri-

cal Triangles, by the Reverend Mr Fisher,

Differtation on the Philofophy of Light, Heat, and Fire, by

Dr Hutton,

Improvement of the Mercurial Level, by Mr Keith,

Experiments on the Effects of Opium on the Living Animal, by

Dr Wilson,

7.

17.

18.

On the Diurnal Variations of the Barometer, by Dr Balfour

of Calcutta,

25.

MEMBERS DECEASED,

Donations,

LIST of MEMBERS, continued from the third Volume,

I. Biographical Account of Lord Abercromby,

31.

33.

36.

38.

(i).

(17).

III. Biogra

II. Biographical Account of William Tytler, Efq; of Wood-

boufelee,