PHILOSOPHICAL 
TRANSACTIONS 
For the Mooth of ^amary^ i68i. 
The CONTENTS. 
The Preface. 
I. A Defrii ^^^^ Draughtt of Pen Park Hole m GIo« 
cefterfhire 5 communicated by Sir Robert Southwell. 
^.Extra^ of a Letter from M-. Lifter 5 being an Experi- 
ment made for altering the Colour of th^ Chjle in tk 
Lafteal Veins. 
3. ^ Gto^I Tide- Table: shewing the true Times of the 
High-Waters^ Loodoa* Bridge, to €verjf day in thif 
, following Tear 1685. Together with an Account of the 
fam-e.. J/r. Flamfted. 
4. An Obfervation of the beginning of the Lunar EcHpg 
which hapened Aug. 19. i68i, in the Morning 5 made 
on the Ifland of St, Lawrence or Madagafcar , by Mr. 
Thomas Heathcotr. Communicated by Mr. Flamfted^ 
5. Extra[i of a Leiler from A/n Hevelius 5 being Objerm- 
ttons by him made at Damzick, of the Comti which 
began there to appe^^r Aug, 1682, I 
6. Jn Account of fome Bookj. L CLAUDit PTOLE- 
M^l HARMONiGORUM Lib. Of. ex Codd. 
Vndecim nunc primum Greece Job. Wallis SS. lA ~- 
'^B.&c. Verftone& Notk ilU^ravit &c. II OBSER- 
VAT10NS\^« ^Ae DUBLIN-BILLS ^/MORTALI- 
TY, 1681. And on the ^TkTE of that CITY. By the 
Obfervator on fie LONDON-BILLS Mortality , 
HL GODARTIUS ^ INSECTS. PubliJhedinEug^ 
li(b, with Notes, By Martin Lifter Efq-^. IV. EPISTO- 
LA INVITATORIA ad Obfer vat i ones Magnetics va- 
riation fs infiituendas. D. Job. Chrift. Smmo Author e. 
A 2 The 
