Bui.LKTiN A, M. N. H. 



Vol. XXXVI. Plati.; XXIX. 



■xsi. -^v^ei^i? 



V A U v. A \' A L L !■; V I-' H (.) M S j\. ^f A \ T I ) M ( ) 



The Cauca Valley lies l^elow and the Central Andes arise behind the clouds. Trail to Cali in 



the foreground. Taken from the lower border of bushy vegetation near the Sau Antonio Pass. 



f.l unction of Troi>ical and 8ul>tropical Zones.) 



/.'^;.^^^,Cft^m. 



C'At-'CA VaLLEV i'HOM I\ 1 1 R A I' LU 1( i: M 



Notp tlic level valley floor. The Western Ancles apprai- i. 

 (Junction of Tropical and Subtropical Zone' 



