REC 
REF 
409 
and of a plum Rone lodged in the coats of the 
return - - Madden 
Reculver. Obfervations on thefoffils of Reculver 
Cliffe, with a note by the publilher, H. Sloane 
Gra) 
Red Colour. Two letters giving an account of a 
red colour produced by mixture of a fulphure- 
ous lpirit with a volatile alcali - Gibbons 
— A further account of the bones of animals being 
made red by aliment only - BeJcbier 
Obfervations and experiments with madder 
root, which has the faculty of tinging the bones 
of living animals of a red colour Du Monceau 
Red Sea. A letter accompanying a new chart of the 
Red Sea, with two draughts of the roads ot 
Mocha and Judda, and feveral obfervations 
made during a voyage on that fea Newlana 
Red 1. Extra£l of a letter concerning Signor Redi’s 
manufcripts - - Anon . 
Reeks, Nicholas. Cafe of Nicholas Reeks, who 
was born with his feet turned inwards, which 
came to rights after being fome time ufed to 
fet crofs legged - - Milner 
Refining. Experiments of refining gold with an- 
timony - - Goddara 
The art of refining - Merrii 
Reflecting Telescopes. SeeTclefcopes 
Refraction. A method by which a glafs of a 
fmall plano-convex fphere, may be made to 
refrad the rays of light to a focus of a far 
greater diftance than is ufual - Hook 
The effeds of the different refradions of the 
rays in telefcopical glaffes - Anon . 
Hopes of perfeding telefcopes by refledions 
rather than refradions - Newton 
Extrad of two letters concerning an inftrument 
to fhew the moon’s true place to a minute or 
two ; alfo the writer’s delign of correding the 
hitherto afligned motions of the fun ; the other 
touching the neceflity of making new folar 
numbers, together with an expedient of making 
trial whether the refradion in Signor Caffini’: 
table be juft Flamjlead 
— An experiment of the refradion of air made 
at the command of the Royal Society 
Lawthorp\ 
F f f 2 
Tranf. 
Abridg. 
XXXIX 291 
IX 152 
XXII 762 
IV 461 
XIX 542 
III 367 
XXXIX 299 
IX .05 
XLI 390 
— 103 
LXII 77 
XXI 42 
ir 789 
XL VI 239 
XI 1113 
XII 953 
11 595 
— 597 
— 598 
IO46 
— 59 1 
I 202 
1 *93 
VIII 6086 
— 156 
— 6091 
- .58 
IX 219 
— 162 
1 
1 XXI 329 
I 228 
Refraction 
