VOLCANO POPOCATEPETL AND ITS VICINITY. 07 



Town of Amecameca, Public Square [Plaza].— Barometer 2 feet above the ground. Observer A. Sonntao. 



^ Station A is 8 metres above the Indian huts. 



= This is the highest point of the road, and at the same time the lowest point of the summit of the 

 ridge, which connects the Popocatepetl and Ixtaccihuatl. 



