52 



North of the Caraccas islands*. The smell of 

 this spring warns ships of the danger of this 

 shoal, on which there is only one fathom of 

 water. 



Thermal springs of the mountain of the Bri- 

 gantine, near Nueva Barcelona. Temperature 

 43*2° cent. 



Thermal springs of Provisor, near San Diego, 

 in the province of New Barcelona. 



Thermal springs of Onoto, between Turmero 

 and Maracay, in the valleys of Aragua, to the 

 West of Caraccas. 



Thermal springs of Mariara, in the same 

 valleys. Temperature 58*9°. 



Thermal springs of Las Trincheras, between 

 Porto Cabello and Valencia, issuing from granite, 

 like those of Mariara, and forming a river of 

 warm water, Rio de Aguas Calientes. Temper- 

 ature 90*4°. 



Boiling springs of the Sierra Nevada of Me- 

 rida. 



Aperture of Mena, on the borders of Lake 

 Maracaybo. It throws up asphaltum, and emits 

 (it is affirmed) gazeous emanations, which take 

 fire of themselves, and are seen at a great dis- 

 tance. 



These are the springs of petroleum and of 

 thermal waters, the igneous meteors, and the 



* Chap, xi, vol. iii, p. 357. 



