The CONTENTS. 
XV. Some further Account of the before -meii- 
tiorid petrified Infed, by the Editor of thefe 
Tranfa&ions. p. boo 
XVI. . The Description and Figures of a fmall 
flat fpheroidal Stone, having Lines f owned 
upon it \ by C. Mortimer, M.D. & Secret . 
R. S. p . 602* 
( 
Printed for C. Davis, Printer to the Royal 
Society, over-againft Gray s -Inn-Gate in Hot- 
born* M.dcc.li, 
