on the Maranon river at an altitude of only 350 feet ana ocean steamers 
ascend to this point fi:om tiie Atlantic Ocean. As one passes doim these 
valleys one goes from the teirpe rate into subtropical ana tropical regions 
in rapid succession. On the eastern slope of the eastern Cordillera the 
conditions are similar to those foimd in th3 Orient e of Bcuador. 
Agriculture of Peru. 
Cotton and sugar have been mentioned as the chief products of the 
coastal plain. In tne Sierra and at intermediate altitudes the crops are 
barley, meat, potatoes, beans, corn, and alfalfa. In the subtropical valleys 
coffee is important. In the forests of the upper .waters of the Amazon rubber 
UAB Mil* UM* 
has been important but witnin recent years the rubber indastry has suffered from 
the competition from the East Indies* 
At 12000 feet altitude crops for the most part are wanting though some 
things can be grom in protected places. Barley and beans are grown at the 
highest altitude, then, at a somewhat lower altitude, come com and potatoes, 
then ^eat ana alfalfa. 
There are certain indigenous crop plants used at high altitudes by the 
natives, -among tlie more important of these are quinoa , ( Gh^napod quinoa},!^ ^ 
oca {Oxalis. tuberosa) ana papa lisa (Ullucus tuberosus). The seeds of guinoa 
are used for porridge; the tubers of oca and papa lisa are used in tae same 
, manner as potatoes. All are grovm at algh altitudes. 
An important crop of the semi tropical valleys is coca Yvhich will be 
