CLIMATE OF COLOMBIA. 



163 



factors than latitude. From the torrid heats of the lowlands to the arctic zone of 

 the snowy crests, all the transitions are observed, though not in direct ratio to 

 the rarefaction of the atmosphere. The curves of altitude and of temperature 



Fig. 63. — Road in the Hot Lands, Colombia. 





nowhere run in parallel lines, but are, on the contrary, everywhere interlaced 

 m an inextricable tangle. Speaking broadly, the temperate zone, comprised 

 between 75° and 59° of the thermic scale, includes the largest part of Colombia 

 proper, that is, excluding the llanos. In this zone the cold winds descending 



