Numb. 4 63. 
PHILOSOPHICAL 
transactions. 
For the Months of March and April, 1 742. 
The C O N T E N T S. 
I. A Method of preparing Specimens of Fifb 5 
by drying their Skins, as praflifed by John 
Frid. Gronovius, M. 2 ). at Leyden. 
II. A Letter from Capt . William Gordon to 
Capt. Samuel Mead> F. R. S. inclojing an 
Account of the Fire-ball feen Dec. 1 1 . 1741. 
III. Extract of a Letter from the Rev, Mr . 
William Goftling to Peter Collinfon, F. R. Sw 
concerning the Fire-ball feen Dec. 1 1. lajt , 
and the Mock-Suns feen the 1 yth of the 
fame Month. 
IV. Some Obfervations upon Mr. Sutton’s /«- 
vent ion to ext rati the foul and ftinking Air 
from the Well and other Parts of Ships, 
with Critical Remarks upon the Ufe of 
Windfalls, by William Watfon, F. R.S. 
V. Part 
