134 INDEX. 



Meteorological observations for one year, xii. 27. Remarks on 

 (with tables) the weather and seasons of the years 1819, 1820, 

 and 1821, 111 



Meteorology, prize question in, viii. 177 



— notice of various '^^experiments on, xiv. 178. Stric- 

 tures on Mr. Leslie's treatise on, 175 



Meteors (luminous), notices of, v. 132. vi. 160. vii. 187, 395 



outline of a new theory of, xiii, 319. 438 



' remarks on the nature of, xiv. 447. xv. 167 



Methuon (M.), report on his memoir on crystallization, i. 123. His 

 theory, 124. Detail of his facts and experiments in support 

 of, lb. Corollaries deduced by, 128. Observations thereon, 130 



Miami (Capuchin Mission of), present state of, ix. 5. Sunday- 

 service of the negroes there, 6 



Mica, fluoric acid found in, x. 196 



analysis of different varieties of, xiii. 160 



presence of titanium in, xviii. 392. Process for discover- 

 ing, xix. 157 



Mice, preservation of grain from, xv. 140 



MiCHELLEAu (M.), extraordinary case of, and operation on de- 

 scribed, vi. 47 



Micrometers, two, description of, designed and used as pyrome- 

 ters, vi. 230 



— asbestos used in, vii. 369 



made of rock-crystal, account of, xii. 131 



Microscopes, single glass, notice of, vii. 368 



observations on the indistinctness of vision caused 



in, by false lights, and on the remedies for it, xvii. 202. On the 

 adaptation of a compound microscope, to act as a dynameter 

 for telescopes, 367 



improvements in, xix. 132 



notice of a new one, xx. 377 



Migration of birds, remarks on, xviii. 138 

 Mildew prevented in wheat, viii. 154. x. 446 

 Military station, Roman, discovered, vi. 174 

 Milk, secretion of, in the ass, how influenced by taking away the 

 foal, i. 165 



