INDEX. 129 



LoRiMER (Dr.), hypothesis of, to account for magnetic variation, 



vi. 98 

 Loudon (J. C), observations of,* on the construction of prisons, 



iv. 169 

 LowRY (Miss), conversations of, on mineralogy, analysis of, 



xiv. 154; remarks on some of her definitions, 155; plan of 



her work, 157; specimen of, 158; some etymological errors 



corrected, 160; general character of the work, ib. 

 Lozania, genus, notice of, iii. 125 



Lucas (Mr.) on the oxidation of silver and copper, viii. 168 

 Lucia (St.), island of, its geological structure, v.* 316 

 LuLLY (Raymond), notice of the alchymistical labours of, ix. 229 

 Lumbricus marinus^ account of the circulation of the blood in, ii. 



457 

 Luminous marine animals, observations on, xi. 248 

 Lunar distances of Venus, tables of, ix. 168, 383 

 correction of, by means of Mr. Thompson's lunar 



and horary tables, xviii. 339 

 observations on the method of computing the true 



from the apparent, xx. 315 



— observations, comparative view of the principal methods of 



correcting, ix. 350. Without either tables or instruments, ib. 

 By the line of chords, ib. By the scale and sector, 351. By 

 common logarithmic tables, 353. By the requisite tables, 359. 

 And the appendix, ib. By Dr. Brinkley's tables, 361. By 

 logarithms, carried to seconds, ib. By Mendoza*s and Shep- 

 herd's tables, 363. By scales of reduction, ib. By various 

 formulae, 365. Tables of minute contractions, with illustra- 

 tive examples, ib. 



— occultations, table of the places of all stars not below the 

 fourth magnitude that are liable to, x. 145. For the different 

 places of the moon's node, 152. Computation of a visible, 161 



— tables, table of the errors of, x. 166 



for 1819, and 1820, errors of corrected, xv. 131 



Lungs, remedy for the consumption of, vi. 172 

 Lycopodiacece^ observations on the structure and fructification of, 

 vi. 30. 



