INDEX. 
R. 
Rain , quantity of fallen at Mountbay in Cornwall, as ob- 
ferved by the Rev. W. Borlafe, M. A. and F. R. S. 
p. 59 - 
Rafer , Matthew, F. R. S. his obfervations on the eclipfe 
of the fun, i Ap. 1764. p. 150. 
Ratios fluxional, divers new conclufions concerning them 
obferved, p. 3 1 1. 
Reaumur , Mr. his account of the formation of the fhells of 
fnails, p. 43. 
Reeve , Mr. his obfervations relative to the moon’s equato- 
rial diameter, as feen in the fun, p. 143. 
—-His obfervations relative to the fun’s horizontal dia- 
meter, p. 143. 
Refraction , effe&s of, in varying the apparent diftance of 
the moon from the fun, or other hxt ftar, p. 263. A 
rule to compute thefe effects, 264. The foundation of 
that rule explained, 265. A demonftration of the truth 
the rule, 266. A remark on that demonftration, 267. 
See Parallax. 
Refti, a Phoenician letter, remarkt on, p. 412. 
Romans , their cuftom of impreffing marks upon their 
coins whence derived, p. 104. 
Rome , an eclipfe of the fun, 1 Ap. 1764* obferved there 
by a College of Jefuits, p. 254. 
Rofemary, how ufed about Mummies, p. 9. 
Rumowjki , Mr. his agronomical obfervations at Siberia,, 
p. 156. 
« . L < l »' Jli.y \j * , U tiVI * 
s. 
Schlojfer , Albert, M. D. F. R. S. his defcription of a fifh 
called Jaculator, p. 89. ■ 
Sea, obfervations upon the fun letting in the Sea, p* 
381.. , 
SeCkcns, 
