iHrJ Numh. 167. 
Beginning the fiveteenth Volume. 
PHILOSOPHICAL 
T R A N S A G T I O N S. 
Jan. 3.%th. i6%\. 
The GON TENTS. 
Some Experiments about VrcQzmg, and the Difference 
betvpixt commonfrcih'^Wd.tQt IcQy and that <?/ Sea-water ; 
aljo a probable ConjeUure about the Original of the l>litvQ 
of Mgypt: byVr. Lifter, z. J Letter from Dr. Tur- 
bervile 0/ Salisbury, containing jome conjiderable Obfer» 
vations in the PraUiJe ofphyfic. 3. Ob[ervatio7is on the 
Cicind^la Volansi F. Gfthel{, S. 4. 
^Letter from Mr, J. Davis concerning the Wurtembur g 
Siphon, y. The Ikfsription of a Siphoxii made to per- 
form all the EffeSs exprejl to be done by the ^V^ur temburg 
Siphon: by Dr. Papin^ F. of the J^. S, 6. j4 Catalogue 
of Experiments drawn up bySr, W. Petty, pr^fofthe 
Phil. Soc. of Guhlia i and by him pre fented to that So- 
ciety. 7. A Letter from Mr, 5^. Beaumont jun, con- 
cerning a new ^Cleaving Rocks. 8. ADifcour[e. 
proving from Experiments ^ that the larger the wheels of a 
Coach^ &C, are^ the more eafly they are drawn over Stones^ 
lying in the way, 9. An account of a large prceter^ 
naturall Glandulofe Subfiancey found between the Peri- 
cardium, andHeSLitof an Ox, lo. Accounts of three 
Books s I .De Origine Fontium per R.Plott LL. B.Muf^vi 
JJhmoleaniOtonbtPrcep^ftumy^ 1^ S. S- 2. Medictna 
feptentrimalis Collatitia y Operas Theoph. Boneti^,;^ 
Pechlinii)/W^>gi^f ^<?Potu The^. f!: j;a 
