INDEX. 



149 



Organs of digestion, action of, explained, iii. 305. Nature and 



action of tlie organs of circulation, 308 

 Ormskirk medicine, component parts of, xviii. 114 

 Ornithorhynchm-Paradoxusy some particulars respecting, xvii. 247 

 Orthometer, notice of, xiii. 220 

 Oswald (James), account of a singular mal- formation of the heart 



of, i. 49. Appearances on dissection, 51, Observations oa his 



case, 52 

 Otaheite, state of printing at, ix. 427 

 Ouachitta, notice of hot springs of, ix. 195 

 Ovum (human), notice of Sir E. Home's discovery of, xvi. 321 

 Owhyhee, height of the mountains of, xiii. 244 

 Oxalate of potash and manganese, ix, 409. 



of iron, found as a mineral, xii. 422 



' of lime, electric powers of, xix. S3S 



Oxalic acid, decomposition of, xii. 413 



-■ tests for detecting, xiv. 234 



' presence of, in the mineral kingdom) and in certain 



plants, xix. 353 

 Oxen, use of, in agriculture, ix. 218 

 Oxford University, number of members of, ix. 428 , 

 Oxidation of copper and silver, viii. 168 

 Oxides of platinum, experiments on, iv. 76. Account of metallic 



oxides, 239 

 of mercury, conaposition of, viii. 379. Of lead, volatility 



of, ib. 



of manganese, analysis of, xi. 201. Of chrome, 219 



I combinations of, with chlorine, iodine and cyanogen, xii. 



175 



— — of titanium, process for analyzing, xiii. 226 



of uranium, experiments on, xiv. 86. xvii. 136. Of nickel/ 



experiments on, 140 



of mercury, facts towards the chemical history of, xviii. 291 



■ of iron, on the separation of titanic acid from, xx. 176 



Oxyacids, new, account of, vi. 150 



Oxygen and hydrogen, compressed, notice of experiments with, 

 ii. 461 



