SHUMARD—GEOL. OF N. MEXICO. 355 
tremity of “ ree oe and entered the down sine 
t eleven o’clock, we reached the San Diego Moun- 
hich rises in the form of a solitary peak to the meng 
ya tat — and is evidently of much more re- 
‘ of the others examined. Its axis pruied 
h, and, as as far as we were able to 
