( I ) Nymb. 436. Beginning 
the 20th Volume. 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Month of January, 1698. 
The CONTENTS. 
1. Vart of a Letter of Mr. Will. Dsrham, ReBor of Upminfter, 
dated Dec. 6. 1697. Giving an Account of fome Experiments 
about the Heigbtb of the Mercury in the Barometer ^ at 
Top and Bottom of Monument : and ahout Fort able Bar 0- 
meters. II. A Letter from Dr. Wallis of Jan. 11. 169?. 
to Dr. Sloane, concerning the EjfeBs of a great Stor?n of 
Thunder and Lightning at Everdon in Northamptonlhire, 
(wherein divers Verfons were killed) on July zj, 16 c^i. 111. 
Some additional Remarks on the ExtraSing the Stone of the 
Bladder out of thofe of the Female Sex. By Thomas Moly- 
reux , M. D. 5. R. S. IV. Eclipfs Lunaris Ohjervatio ^ 
faBa Roterodami die 29. OBobris Anysi 1697. N. S. A ja- 
cobo Cajfmi, R. Ac. Tarifienfls Socio, V. An Account of a 
Book^ Entituledy Hortus Medicus Amftelodamenfis^ fve 
Tlantarum tarn Orientalis quam Occidentalis Indies aliarum- 
que peregrinarum Defcnptio & Icones. AutoreJomnQConi' 
melino UrUs Amftelod* (dum viverit) Senator e.- Et latini^ 
tate donatum, Not is Objervationibus illufiratum a Frederi- 
co Ruyfchio, M D. Botan, Frofe£. &c. & Francifco 
KiggelariOj Amjh 1697. Fpl. And to be fold by S, Smith, 
and B. Walford, in St. Padh Church-Tard. ?7itb many ad- 
Jitional Remarks by Jamts Petivefi Fellow of the Royal 
Society. 
A I. Parr 
