iv 



The present volume comprehends, be- 

 sides the Personal Narrative of the tra- 

 vellers, The History of the Nations of 

 Carib race ; a general view of the Popu- 

 lation of Spanish America, arranged ac- 

 cording to difference of colour, of lan- 

 guages, and of religion ; a discussion of the 

 great problem of an Oceanic Canal, or of a 

 Water Communication between the South 

 Sea and the Atlantic Ocean, with reference 

 both to its utility and the obstacles which 

 local circumstances may present to its execu- 

 tion ; a comparison of the more ancient Mo- 

 numents of the Aboriginal Inhabitants of both 

 Americas ; a Geological View of South Ame- 

 rica on the north of the river of the Amazons, 

 with a general account of the ramifications 

 of the knots of mountains which occur in 

 the Andes from Cape Horn to the Polar 

 Circle; a memoir on the Horary Variations 

 of the Barometer within the Tropics, both at 

 the level of the ocean, and on the summit 

 of the Cordillera of the Andes; and a com- 

 pressed view of thermometric, hygrome- 

 tric, cyanometric, and electrometric obser- 

 vations made in the low equinoctial re- 

 gions. 



