The C O NTE NTS. 
X. A Letter from Mr. Henry Baker F.R.S 
to the Prefident, concernmg fome Vertebrae 
of Ammonitae, or Cornua Ammonis ; com- 
municated to Mr. Baker by the Rev. Dr. 
Miles F.R.S. p ■ 37- 
XI. Fhe Cafe of Mr. Smith, Surgeon , at Sud- 
bury in Suffolk ; the Coats of whofe Sto- 
mach were changed into an almofl cartila- 
ginous Subjlance\ communicated by the Rev. 
Mr. Murdock to Cromwell Mortimer 
M. D. Secret . R. S. p. 39. 
XII. A Catalogue of the Fifty Plants 
from Chelfea - Garden, prefented to the 
Royal Society by the Company oj Apothe- 
caries, for the Year 1746. purfuant to the 
DireSlion of Sir Hans Sloane Bart. Med. 
Reg. nuper Soc.Reg.Prcef.\ by' Jof. Miller 
Apothecary , Hort. Chelf. Frcef. ac FrceleSl. 
Botan. p. 43. 
XIII. Floe Reverend Mr. Robert Clarke to 
Mr. Fleming, concerning a Boy , who had a 
Calculus formed between the Gians and the 
Praeputium. p. 45. 
XIV. Floe Fftablifhment of a new Genus of 
Plants, called Salvadora, with its Defcrip - 
tion ; by Laurence Garcin M. D. F. R. S. 
