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 ConTENTS « OF No oe 188, 
Sones e Tee 4 eek tay and “Mathematical cea, Mak 
Pe otic: No. aq, Oxendon-Street. bee te - 
SS iy LXVIU. Some Experiments and Observations ont 
iy a a cans produced i in different chemical Processes on Fluo 
Cea + By Sir Homrnay Davy, LL.D. F.R.S. V.P. B.I. 
ye a ‘LXIX. A new ‘Theory of Light ; with Experiments 
3e% hae See ae that Blackness arises from the Reflection of Indigo 
Cee aN arate ed-orange on the seven prismatic ee of. Light. By Jos: 
<i > s a Reaper, Mepis = Ean ri a pet NS es 
ac Stee -- L&X, Some Particulars respecting. the reheat ‘State ae 
rss a EY Persia, Communicated in a Letter to the Hon. Colonel i nee ; 
2 GREVILLE Howarp. By Sir Gore Ouse.ey. Pak. 12 
LCGAT aoe LXxI. On artificial Cold. ‘By Rp. WatLkeER, Exq. - 
pe tek LXXII. On a saline Substance from Mount Vesuvius. ane’ ioe 
A, James SMITHSON, Esq. PER Set Arg oak a ea 
dni hae Se ‘LXXIII. On a Phenomenon of St. Michael's Mount in 
ate he. _ Cornwall. By J. A. Dexuc, Esq. F.RS. -  °- - i? 
ty anteie ARP Mrs We 4. 4 NE An Attempt to determine the definite and sicnpl 
gaa Mae des ‘Proportions, in which the constituent Parts of unorganic 
a APe _ Substances.ate united with each other. By Jacop Berze- 
Ser NY gh CNRS, Professor of egeuon and Pharmacy, and M,R.A. RS 
Fee ride = eo betlihobanir a 5 on sce Seah aa ise Ea) ae a 
ae os te: LXXV. Final Letter from Mr. Witi1aM Jonzs on Dr. aes: 3 
—— Woxzasron’s Periscopic Spectacle aan 5) mein rete ie ime foe Ae: , 
pt ORR Nai ee Researches into the Anatomy of. Plants. | By Pee 
ed ’ LF. Linx, of Breslau, formerly of Romer. ee aaa 466° = 
LXXVII. On Galvanic Electricity eda ee: a 
Sarr Te yh eee Nee VARA Proceedings of Learned Secitis Roya So- ne ae 
hse tg ee: ciety,— Geological Society, tea mn iE) iS 
a 1s -- LXXIX, Intelligence: and Miscellaneous Anticles —Me- eae 
_ tearological Table, &c. - 9) - Brae ee ss 484 > 
ae ot, . A Ss) CRA a he, es RAE Re NY, rat 
‘Orr aneatons for this Work, aearesaaias an 'E ditors, ; 
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