xxxiv 



curious approximations on this object, so 

 important for the philosophical study of 

 the history of man. I flatter myself, that 

 a part of his Mbors will find a place in this 

 narrative.' 



Of those different works which I have 

 here enumerated, the second and third 

 were composed by Mr. Bonpland, from the 

 observations which he made on the spot, 

 in a botanical journal. This journal con- 

 tains more than four thousand methodical 

 descriptions of equinoctial plants, a ninth 

 part only of which have been made by 

 me, and will appear in a separate publi- 

 cation, under the title of Nova Genera 

 et Species Plantarum. In this work will 

 be found not only the new species which 

 we collected, and the number of which, 

 after a long examination by one of the 

 first botanists of the age, Prof. Willdenow, 

 amounts to fourteen or fifteen hundred*, 

 but also the interesting observations made 



* A considerable part of these species is already 

 inserted in the second division of the fourth part of 

 the Species Plantarum of Linnaeus, fourth edition. 

 Of the eringiums, which we brought over from Ame- 

 rica, eleven new species have been engraved in the 



