62 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 66 
the Organ Mountains, near Petropolis, the summer home of the 
wealthiest classes of Rio de Janeiro. This range of mountains merits 
a more thorough biological exploration than has been hitherto under- 
taken. 
Fic. 78.—Cereus Forbest Forst., from the desert 
region near Cordova, Argentina. Photograph by 
Russell. 
Proceeding southward, a day was spent at Santos, Brazil, the 
world’s greatest coffee center. Buenos Aires was visited next, al- 
though but little time was spent in the city. Several visits were 
