CONTENTS. xi 
XXXV. A Letter from John Ellis, Efquire , F. R. S. 
to the Prefident, on the Coluber Ceraftes, or Horned 
Viper of Egypt. p. 287 
XXXVI. Abjtraff of a Journal of the Weather in 
Quebec, between the \ft oj April, 1765, and yzth 
of April, 1766. By Captain Alexander Rofe, oj 
the 52 d Regiment ; communicated by the Reverend 
P. Murdoch, D. D. F. R. S. p. 291 
XXXVII. DeJ'cription of two Parthian Coins , never 
hitherto publijhed. By the Rev. John Swinton, B. D. 
F. R. S. Member of the Academy degli Apatifti at 
Florence, and of the Etrufcan Academy of Cortona 
in Tufcany. In a Letter to Charles Morton, 
M. D. Sec. R. S. p. 296. 
XXXVIII. An Account of a fuccefiful Operation for 
the Hydrops PeBoris , by William Moreland, Sur- 
geon at Greenwich; communicated by W. Watfon, 
M. D. F. R. S. p. 302. 
XXXIX. A Letter from Mr. Emanuel Mendes da 
Coda, Librarian , &c. to the Royal Society , to M. 
Maty, M. D. Sec. R. S. containing a Supplement to 
the Account of the Difcovery of Native Fin , Art. 
VII. ^ p. 305. 
XL. A Supplement to the Account of an Amphibious 
Bipes , by John Ellis, Efquire , (Art. XXII.) being 
the Anatomic Defcription of the j'aid Animal , by Mr. 
John Hunter, F. R. S. p. 307. 
PHIL O- 
