RI V 
ROM 
Rivers (Particular) Relation of the effe£ls of a vio- 
lent ftorm at Acomack in America, 061 . 19, 
1693, on the risers of that country Scarburgh 
— ■ A relation of the bad condition of the mountain' 
about the Tungaroufe and Batavian rivers, 
having their fource from thence, occalloned 
by the earthquake between the 4th and 5th of 
Jan. 1699, drawn up from the account given 
by Tommagan Porbo-Nata (who had been 
there) - - Anon. 
• Part of a letter concerning the flocking the 
o o 
river Mtne with oyflers - Rowland 
< An account of the river Niagara, taken at Alba- 
ny, Oft. 10, 1721 - Ba r ajfar 
Account of the rife of feme of the moH confider- 
able rivers of Europe - Scheucbzer 
An account of the finking of a 1 iver near Ponty- 
pool, in Monmouthfhirc, Jan. i, 1756 
Matthews 
Rizzetti. Experiment made in Auguft, 1728. 
before the Royal Society, upon occafion of 
Signor Rizzetti’s opticks, with an account of 
that book - - Defagulieri 
Rochester. Vide Jnfcription 
Rocks. A way to break ealily and fpeedily the hardefl 
rocks - - Du Son 
—— Advertifement from Scotland, concerning the 
furface of the earth, Hones, rocks, &c. 
Beal 
■ — A lettter concerning a new method of cleaving 
rocks - - Beaumont 
— Extract of a letter from Calcutta concerning a 
burning rock, and a burning well Wood 
Rcck Crystal. An obfervation of optick glalfes 
made of rock-cryflal - - Anon . 
Rock Plant. Two letters concerning rock plants, 
and their growth - Beaumont 
— A further account of fome rock-plants 
growing in the lead mines of Mendip Hills 
Beaumont 
Rockets. Obfervations on the heights to which 
rockets afeend - - Robim 
— Some experiments in order to difeover the 
height to which rockets may be made to afeend, 
and to what diftance their light may be feen 
EUicoti 
Roman, Jane. An improvement on the pra&ice 
Tranf. 
XIX 659 
XXII 595 
XXXI 250 
XXXII 69 
XXXV 577 
XLIX 547 
XXXV 607 
1 82 
x 337 
XV 854 
LII 415 
I 362 
XI 724 
XIII 276 
XL VI 13 1 
- 573 
4i3 
Abridg. 
Ill 667 
11 419 
VII 420 
VI 2 173 
VI 2 174 
VI no 
II 367 
— 368 
1 195 
— 5*9 
II 503 
X 201 
— 202 
of 
