IN AMERICA. 349 



de latitude australe, jusq'au lOme degre de latitude 

 ooreale. 4to. 



7' r?' /'^^^'^■^ Equinoxiales Recueillies au Mexique, dans 

 I lie de Cuba, dans les Provinces de Caracas, de Cu- 

 mana, &c. 2 vols. fol. 



3. Monographic des Melastomes. 2 vols. fol. 



4. Nova Genera et Species Plantarum. 3 vols. fol. 



, ^- f^(^ Di^tnbutione Geographtca Plantarum secun- 

 dum LcRli Temperiem et Altitudmem Montium proleso- 

 inena. 8vo. ° 



The Essay on the Geography of Plants presents a 

 general view of the vegetation, zoology, geological 

 constitution, and other circumstanced, of the equi- 

 noctial region of the New Continent, from the level 

 of the sea to the highest summits of the Andes 

 The second work is by M. Bonpland, and contains 

 methodical descriptions, in Latin and French, of the 

 species observed ; together with remarks on their 

 medicinal properties and their uses in the arts The 

 Monography of the Melastomas, which is also from 

 the pen of M. Bonpland, contains upwards of 150 

 species of these plants, with others collected bv M 

 Richard m the West Indies and French Guiana ' 

 In his Essai Geognostwue sur le Gisement des Roches 

 dans les deux Himispheres, published in 1826, and 

 translated into English, Humboldt presents a table 

 ot all the formations known to geologists, and insti- 

 tutes a comparison between the rocks of the Old 

 Continent and those of the cordillera of the Andes 

 . Ihe astronomical treatises have been published 

 m two quarto volumes, under the title of Recueil 

 d Observations Astronomiques et de Mesures executees 

 dans leNouveau Continent. This work contains the 

 original observations made between the 12th decree 

 of south latitude and the 41st degree of north lati- 

 tude transits of the sun and stars over the meridian, 

 occull^ations of satellites, eclipses, &c. ; a treatLe 

 on astronomical refractions under the torrid zone 

 considered as the effect of the decrement of caloric 



Gg 



