travels. 



2Q2 SCIENTIFIC NEWS. 



Humboldt's treat feparak-ly all thofe objefl-J vvliich confiderably differ in 

 their nature. He has determined accordingly (o pubiifli in 

 detached coliediions, all that more particularly belongs to 

 Aftronomy, Geology, Batany, Zoology, See. and his voyage, 

 properly Co called, will embrace all that relates to General 

 Phyfics, the Origin of Nations, their Manners, their Intel- 

 ledual Culture, Antiquities, Commerce, and Political Eco- 

 nomy. Upon this part of his obfervations and the hiftory of 

 Lis voyage, he will not at prefent publiftj more than a narra- 

 tive, under the title of Belation ahrcge, &;c. or an abridged 

 Relation of a Voyage to the Tropics, performed in the inte- 

 rior of^lhe new continent during the years 1799, 1 800, 1801, 

 1802, and 1803. 



It is agreed by Meflrs. Humboldt and Bonpland, w^ho are 

 connected by the mod intimate fentiments of Iriendftiip, and 

 have fliared together in all the fatigues and dangers of this 

 voyage, that the whole of their publications fliall be in their 

 joint names. The preface to each work will announce to 

 which of them the feveral parts are refpe(5tively to be afcribed. 

 The lift of works fpeedily to appear are as follows : 



1. The abridged Relation of the Voyage, in quarto; pro- 

 mifed in July, 1803. 



2. A Collection of Aflronomical Obfervations and Admea- 

 furements made on the new continent; promifed in 1805. 



3. An Eflay on the Geography of Plants, or a Philofophical 

 Sketch of the Equinodial Regions; founded on obfervations 

 made from the 18th degree of fouth latitude, in the years be- 

 fore mentioned, with one large plate, coloured ; promifed. in 

 June, 180.5. 



4. Equinoctial Plants, collected in Mexico and the Ifle of 

 Cuba, in the Provinces of Caracas, Curaena and Barcelona, 

 on the Andes of New Grenada, Quito and Peru, and on the 

 banks of Rio Negro, Oroonoko and the River of Amazons, 

 with plates engraved by «S'e//2er, in folio; the firfl number to 

 appear in April, 1805. 



5. A Colle6tion of Obfervations of Zoology and compara- 

 rative Anatomy, made in a Voyage to the Tropics ; with 

 plates engraved by Bouquet, coloured or not, at the option of 

 the purchafer. The firfl number to appear in May. 



N.B, All thefe works will bear the general title of Voyage 

 dc M. M, Alexandre it Humboldt et Aims Bonpland, and will 



form 



