CONTENTS. vib 
“XI. Experiments. on Allanite, a new Mineral from 
Greenland. By Thomas Thomson, M. D. 371 
XIE. A Chemical Analysis of Sadalite, a new Mineral 
from Greenland. By Thomas Thomson, M.D. 387 
XII. Demonstration of the Fundamental Property of the 
Lever. By David Brewster, LL. D. - 397 
XIV. On the Rocks in the vicinity of Edinburgh. By Tho- 
mas Allan, Esq. - - - 405 
