INDEX. 137 



of lichens, 54. Of aquatic plants, 66. Baneful effects of de- 

 stroying trees in a mountainous country, 57. Important results 

 produced by vegetation, 58 



MiRBEL (M.), observations on the dissemination of plants, iv. 1 ; 

 and on the death of plants, 7 



Miscellaneous letters, bibliographical notice of, xiii. 49. 



Missions of the Capuchins in Spanish Guayana, origin and pro- 

 gress of, viii. 276. Their present state generally, 277. 



of the Caroni, journal of an excursion to, ix. 1 



Mississippi district, geological appearance, and weather of, iii. 85. 

 Importance and extent of the river of, 87. 



■ — — list of the steam-boats employed on, viii. 152 



Missouri river, voyage of Messrs. Lewis and Clarke up, iii. 92, 

 Account of a second voyage up, by several Americans, 93. De- 

 scription of Indian warriors returning from battle, 95. Pro- 

 gress of Mr. Hunt and his party from the banks of, to the Co- 

 lumbia, 97; and of Messrs. M'Kenzie and others, 99 



. nitre caves of, ix. 194 



Mists, experimental inquiries into the formation of, xv. 55 



Mitchell, the blind and deaf lad, case of, i. 119 



Mitchell (Professor), on the antiquities of New York, viii. 222. 

 Ancient remains of the town of Pompey described, 224. Early 

 settlement of the French there, 226. Indian traditions con- 

 cerning them, 227. Ancient fort in the town of Camilles, 

 228. In Oxford, 229. In the Genessee country, 231. On the 

 south side of Lake Erie, ibid. 



's theory of the earth, notice of, xix. 69 



Mitchley, remains of an ancient Roman camp at, described, xvi. 24 



Mitra, description of several species of, xvii. 34 



MiTSCHEKLiCH (Mr. E.), on the relation which subsists between 

 crystalline form, and chemical proportions, xiv. 198, 415 



M6, or inspissated juice of tobacco, how prepared, and its uses, 

 i. 191 



MoHAJiED MisiiAR, biographical notice of, xiv. 2. Account of 

 his journey from Alexandria to Western Africa, 3 



MoHS (Professor), his system of mineralogy, notice of, xiv. 1^38 



