CONTENTS. 
Flora Virginica, p. 185, under the Name of O- 
phris Scapo undo foliis radicalibus ovato-oblongis , di- 
midii Scapi longitudine : By George Dionyfius 
Ehret, F R. S. p. 81. 
XXXII. New Experiments in Electricity : In a Let- 
ter from Mr. Ebenezer Kinneriley, to Benjamin 
Franklin, LL. D. F. R. S. p. 84. 
XXXIII. Obfervations in Ele tricity and on a Lhunder- 
Jhrm : In a Letter from Mr. Torbern Bergman, to 
Mr. Benjamin Wilfon, F.R. S. Acad. Reg. Upfal. 
Soc. p. 97 
XXIV. Remarks on Swallows on the Rhine : In a Let- 
ter from Mr. Achard, in Privy-Garden, to Mr. 
Peter Collinfon, F. R. S. p. 101. 
XXV. Fhe Properties of the mechanic Powers demon- 
jlrated , with feme Olfervations on the Methods that 
have been commonly ufed for that Purpofe : in a Let- 
ter from Hugh Hamilton, D. D. F. R. S. apd 
Fellow of Trinity College, Dublin, to Matthew 
Raper, Efq ; F.R.S. p. 103. 
XXVI. An Account of feme fubterraneous Apartments , 
with Etrufcan Inferiptions and Paintings dijcovered 
at Civita Turchino in Italy : Communicated from 
Jofeph Wilcox, Efe }’ 3 F. S. A. by Charles Morton, 
M . D. S. R. S. p. 127. 
XXVII. An Account of a new Peruvian Plant , lately 
introduced into the Englifh Gardens ; the feveral 
Char after s of which differ from all the Genera hitherto 
deferibed ; Prefented to the Royal Society by George 
Dionyfius Ehret, F. R. S. p. 130. 
XXVIII. Obfervations on two Antient Roman Infer ip - 
tions difcovertd at Netherby in Cumberland : In a 
Letter to the Right Rev. Charles Lord Bifloop of 
Carlifle, F. R. S. from the Reverend John Taylor, 
LL. D . 
