( 87 ) 
Numb. 1 66 . 
PHILOSOPHICAL 
TRANSACTION Sit ' W; 
—T- r 
For the Months of September , Oticler^ November and 
December , 1720. 
w 
— — 
the C O N T E N IS. 
I* T" TT Iftoria portions Inteflmi Colt propendentis 
JL ex Vulnere per 1 4 annos . Communicante 
Abrahamo Vater , Tbii <6r* ©0#. Prof, 
(public. Ord Anat. Botan. Subftitut . Wittem- 
lergd, fflatur, Curiof. Coll . 
II. Observations upon the Bones and the Perio- 
fteum, in a Letter to the Royal Society, from 
Mr. Leeuwenhoek* F . 3 ^ 5 . 
III . An Account of a preternatural Tumour on the 
Loins of an Infant , attended with a Cloven 
Spine. By Dr. Rutty, Fellow of the College of 
\ Phyjicians, and of the Royal Society. 
IV. An Account of Two ObferVations in Gar- 
dening , upon the change of Colour in Grapes and 
Jeffamine . In a Letter from Mr. Henry Cane. 
V. stfn Account of fome new Eltttrical Experiments . 
By Mr. Stephen Gray. 
N \LA 
