Numb, J 73 . 
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For the Months of September, and Obiober. i 7 xx. , 
. • ./■ '"r ^ ls\ , 7 
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, The CONTENTS. "■ 
-i;J '-\ \ >lu"\h*.rT\\<\0 C‘'- i:'U;.:V i I * 
I; Ohferyatms^npon Foetus, and the ^arts of Ge^ 
‘ neration of a Sheeps' . >In a Letter to the Royal 
Society,' from Mr. Leeuwenhoek,; K (^ 5*. 
Tranflated from the, Dutch hy /i?V.-.2>prcngell, 
' ' ■ ■ , . I 
II. Obferyations upon the Callus of the Hands. a7td 
Feet, hy the fame curious Gentleman* Tranflated 
• hy John Chamberlayne, Efq;^ 
III. De Fradiohibus Algebraicis Radicalirate 
immunibus ad Fraftiones Simpliciores re- 
ducendis, deque fummandis Tefminis qua- 
rumdam Serierum aequali Intervallo a fe 
diftantibus. Au 6 tore Ahrahamo de Mo/Ve, 
S, R. Socio. 
/ 
IV. De- 
