192 
VOLCANO OF PICHINCHA* 
PLATE LXI. 
This view was taken at Chillo^ the country house 
of the Marquis deSelvalegfe, whose son accompa» 
nied us in our journey to Mexico, and the river of 
Amazons. The volcano is seen over the savan- 
nah of Cachapamba. In my sketch may be dis- 
tinguished (1) Rucupichincha, or the summits 
covered with snow that surround the crater ; the 
cone of Tablahuma (2) ; the Picacho de los La- 
drillos (3) ; the rocky summit of Guaguapichin- 
cha (4), which is the cacumen lapideum of the 
French academicians ; finally, the top, on which 
is placed the famous cross, that served as a sig- 
nal in the measurement of the meridian (5). 
The absolute height of these summits is, accord- 
ing to my observations, from two thousand three 
hundred to two thousand five hundred toises : but 
r 
as the plain of Chillo is itself one thousand 
three hundred and forty toises above the level of 
