Numb. 4zi, 
PHILOSOPHICAL 
TRANSACTIONS 
For the Months of January, February , and 
March , 1731. 
The CONTENTS. 
I. A Catalogue of the fifty Plants from Chelfea- 
Garden, prefented to the Royal Society by 
the Company of Apothecaries, for the Tear 
1 730 5 purfuant to the Direction of Sir Hans 
Sloane, (Bar 1 ' Med. Beg. Br<zf. Col. Beg- Med. 
& Soc. Beg. by Ifaac Rand, Apothecary , 
F. % S. 
II. A Letter concerning the Electricity of Water, 
from Mr. Stephen Gray to Crom well Mor- 
timer, M. D. Seer. Tf 
III. The Method of making the bejl Mortar at 
Madrafs in Eaffc India 5 deferibed in a Letter 
from the Honourable Ifaac Pyke, Efq j Go- 
vernor of St. Helena, to Edmund Halley, 
L. L.D. Beg • A fir. Vice-Brefident B-S. and by 
him communicated to the Royal Society. 
IV. Epiftola Domini Huxham, M. D. ad Ja- 
cobum Jurin, M. D. B & Coll. Med. 
Soc. de Morbo Colico [ingular 'u 
V. Vz 
