C 4or ] i^ttmb^iypi 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Month of Decmher, idpp. 
THE 
e O N T E N T S. 
I. A Letterfrom Mr^^homzslMSkiiiy to Dr.ShznQ, 
concerning the application of the Fneumatick En« 
gine to Cupping-'Glaffes. 
II. A Letter I)n Wallis D/'; Sloane, concerning the 
Quadrature of the Parts of the Lunula of Hippocra- 
tes Chius.- performed hj Mr. John Perks ; with the fur^ 
ther Improvements of the fame, hy Dr. David Gregory, 
and Mr,]o\\n CafwelL 
III. Refponfio ad Animadverjionem ad Davidis Gregorii 
Catenariam,. A6t, Erudiiorum Lipjid Menfe Fevruarii 
An. 1699, 
IV. A Relation of two Monftrous Figs, with the re fern- 
hlance cf Humane Faces ^ and two young Turkeys joined Ij 
the Br e aft, hy .S/V John Floyer, Communicated hy Dr, '^A'- 
ward Tyfon, of the College offhyfuians.and R. & 
V. A Letter from the Reverend Mr, Hugh Jones tothi 
Reverend f)h Benjamin Woodroofe, F,R.S. concerning 
feveral Olfervailes in Maryland. 
VI. An Index to the Philcfophical Tran faff ions , from 
Numb. ^47. to z 59. inclufive. 
