Numb. 140 
PHILOSOPHICAL 
TRANSACTI O NS. 
For the Month of May, 1698. 
The CONTENTS. * 
I. Part of a Letter from Mr. Benjamin BuUivant, at 
Bofton in New England, to Mr, James Petiver, Jpothe- 
cary, and Fellow of the Royal Society in London. Con^ 
cerningfome Natural Ohfervations he had made in thofe 
Parts. II. Part of a Letter from Mr. Anthony van 
Leeuwenhoeck, F, R. S. concerning the Eyes of Beetles, 
&c. III. Part of a Letter from Mr. Stephen Gray, 
aiout a Way of Meafuring the Heighth of the Mercury 
in the Barometer more exactly. IV. Part of a Let" 
ter from Dr, William Mufgrave, Fellow of the College 
of Phyficians, and R. S. to Dr. Sloane, concerning the 
Caufe of the Ueceffity of Breathing. V. An Account 
of what happened on Syringing warm Warm Water into 
the Ihorapc of a Bitch. By Dr. William Mufgrave, 
Fellow of the College of Phyfians, and R. S. VI. Some 
Qlfervations concerning the Suhjlance cmmonly called^ 
BlachLead, lythe late Pr. Rob. Plot, F. R, S. VIL 
B b Af$ 
