4^o 
REF RES 
Refraction, A geometrical differtatlon on the rain- 
bow, (hewing the means of obtaining the dia 
meter of each bow, the ratio of refra&ion being 
given, with the folution of the reverfe problem 
Bailey 
A defcription of the apparatus for making ex 
periments on the refractions of fluids, with 
table of the fpecific gravities, angles of obser- 
vations, and ratio of refraCtions of feveral fluids 
Haukfbee 
- Some allowances to be made in agronomical 
obfervations, for the refraction of the air, with 
an accurate table of refractions Halley 
•— An account of the double refraCtions in cryftals 
Beccaria 
•» Concife rules for computing the effeCts of refrac- 
tion and parallax in varying the apparent dif- 
tance of the moon from the fun or a ftar ; atfo 
an eafy rule of approximation for computing 
the diftartce of the moon from a liar,, the Ion 
gitude and latitude of both being given, with 
demonfir ations of the fame - Majkelyne ■. 
See Air, Cryftal , Telef copes 
Refractions of Fluids, See Fluids 
Regimen. Part of a letter on the antifeptical regi- 
• .A O 
men of the natives of Ruflia - Guthrie 
ReiNs. An observation of the immoderate and fa- 
tal ufe of crab-ftones, and fuch like absorbent 
earths, from whence have proceeded flones in 
the ftomach and reins - Bfeynius 
Remedies; Of the difeafes incident to, and reme- 
dies of. Northern countries - Lloyd 
ReFtiles. Divers mean’s far preferving from cor 
ruption dead birds, intended to be fent to re- 
mote countries, fo that they may arrive there 
in good condition; foiiife of the fame means 
may be" employed for preferving quadrupeds, 
Trsnf. 
XXII 714 
XXVII 204 
XXXI 169 
LII 486 
Abridg. 
II 
95 
IV 2 182 
VI 167 
Repulsive. 
reptiles, fifties, 'arid* infers 
Reaumw 
regarding' 
0 . o 
Some eleCIrical experiments, chiefly 
the repulfive force of eleCtrical 
bodies - - Whale 
Resin. An account of the quantity of refin in the 
cortex eleutheriae - Brown 
Resistance. Experiments relating to the refinance 
of fluids - - Defaguliers 
Experiments to determine the law of the refin- 
ance of bodies on the furface of the water Hie 
LIV 263 
LXVIII 622 
XLI 557 
XXI 310-311 
IX 
*7* 
III 606 
XLV 309 
XLI 98 
XXXII 81 
XXXI 
142 
XLIX 1 
Respiration. 
VIII 406 
VII 738 
VI 299 
