viil CONTENTS. 
XX. A Letter from the Hon. Daines Barrington# 
F. R. S. to Mathew Maty, M, D. Sec. R. S. occa^ 
fioned by the three preceding Letters. p. 167" 
XXI. An Account of the Nyl-ghaUy an Indian Animal^ 
7 iot hitherto defcribed : By William Hunter, M.D. 
F. R. S. p. 1 70 
XXII. Obfervations on the Aphides of Linnaeus, by 
Dr, William Richardfon, Ripon, Yorkfliire: 
Communicated by William Heberden, M. D. 
F. R. S. p. 182 
XXIII. Meteorological Obfervaiions at Ludgvan in 
Mount’s Bay, Cornwall, 1770: By William Bor- 
lafe, D. D. F. R. S. Communicated by Dr. Jere- 
miah MHles, Dean of Exeter and F. R.S. p. 1 95 
XXIV. Dfcription of a ?iew Hygrometer : By Mr, 
John Smeaton, F, R. S. p. 198 
XXV. Letter from Mr. John Baptift Beccaria, 
of Turin, F. R. S. to Mr. John Canton. F. R. S. 
on his fiew Phofphorus receiving feveral Colours^ 
a?td only emitting the fame. p. 2 1 2 
XXVI. Some Remarks on the RffeSis of the late Cold 
in February laf : in a Letter from the Rev. R. 
Watfon, Fellow of Trinity College, and Frofejjor 
of Chemiftry at Cambridge, to Matthew Maty, 
M, D. Sec. R. S. P- 213 
XXVII. A Letter from Thomas Barker, Ffq-^ of 
• Lyndon in Rutlandfhire, to James Weft, EJq-y 
Pref. R. S. concerning Obfervations of the ^lanti^ 
■ties of Rain fallen at that Place, for feveral Tears, 
p. 221 
•XXVIII. A fecond Letter from Mr. Barker to the 
Prejidenti on the fame SubjeSl', together with the 
Deter mi* 
