[ 497 ] 

 c. 



CaUcriuootl^ Col, Sec Bafc. 



Ca'ibhee Ijlandi^ realbns for fjppofing a commuuicat'icn bctvyeen the burning mount;iln« 

 in them and the volcanos on the high mountains in An-iCrica, p. 30. bhotks of 

 earthquakes tiequent near them, ibid. 

 Cavend:Jh^ Henry, Efq. See jiir. 



Cowhujlion^ Obfervations and Experiments on the Liglit of Bodies In a State of, by the 

 Rev. Mr. Morgan, p. 190. Dara to be attended to, iuid. Concluiion drawn from 

 them, ibid. Manner in which the rays of light efcape, when decompofed by heat, 

 p. 191. Observations on the flame of a candle, p. ig». The beft mode of fhewing the 

 efcape of fome rays by that degree q\ heat which will not fcparate others till incfeafed 

 p. 193. Mr. Melvill's mode of examitiing bodies whilll on Hre, ibid. Befides the 

 incrcafe or decreafe of heat, there are other modes ot retarding or accelerating the 

 combuftion of bodies, p% 194. Singularities in the colours of different flames ac- 

 counted for, p. 19;. Singular pha;nomenon attending a burning body explained, 

 p. 196. Imperfedtion in Sir Ifaac Newton's definition of flame, p. 197. Exoeri- 

 ments on ele6tric li^ht, p. 198 — 206. General deductions ufeful in procuring any 

 degree of cer rain ty in any hypothefis, p. 198. Obfervations on phofphoric light, p. 

 208. Mr. Wilfon's theory of the flow combuftion of fliells, ibid. Objedions to 

 that theory, p. 209 — 211. Poflfcript by Dr. Price, p. 21/. 

 'ConJlru£lion of the Heavens , on the, by William Herfchel, Efq. p. 213. Two oppofite 

 extremes to be avoided, 5^ we hope to make any progrefs in an inveftigation of this 

 delicate nature, ibid. Ti.eoretical view of the univerfe, p. 214. Formation of 

 nebulae, ibid. Objeftlons confidered, p. 216. Optical appearances confidered, p. 

 ai7 — 219. Refult of obfervations, p. 219. The theoretical viexv of the univerfe, 

 p. 214. Shewn to be perfeftly confident with facts, p. 220. I. Table of ftar-gages, 

 p. 221-^240. Problem, the ftars being fuppofed to be nearly fcattered, and their 

 number, in a field of view of a known angular diameter bfcing given, to determine 

 the length of the vifual ray, p. 241-. The fame otherwife, p. 243. We inhabit the 

 planet of a ftar belonging to a compound nebula of the third form, p. 244. DiiFerence 

 between a crowd and a duller of ftars, ^p. 246. Ufe of the gage*, p. 250. Table 

 II. p. 252. Seftion of our fidereal fyftem, p. 253. The origin of nebulous ftrata* 

 p. 254. An opening in the heavens defcribed, p. 256. Phenomena at the poles of 

 our nebula, p. 257. Enumeration of very compound nebulae or milky ways, p. 2580 

 Some very remarkable nebulas pointed out, ibid. Several extended nebulae defcribed, 

 p. 260 — 262. A perforated nebula or ring of »ftar9, p, 263, Planetary nebulae, p° 

 363 — 266. 



Vol. LXXV. U u tt D, D'AUmbm^ 



