VALUE AS FOOD. 61 



butter enable men to cross the desert ; and 

 he adds that, in the New World, chocolate 

 and corn-meal render the plateaus of the 

 Andes, and the vast, uninhabited forests, 

 accessible to man. 



"In Central America, when they organ- 

 ize a river expedition, or traverse the for- 

 ests, they prepare chocolate for provision 

 with eighty parts of cocoa to twenty of 

 coarse sugar, the composition being as fol- 

 lows : 



Sugar . V - , ... ,\ . - -^j : 200 



Butter . v '-.. : ' . . . t. : *' 410 



Albumen . .y . . . ., .* ; \. 100 



Phosphates and salts . ,\\ W v v v 30 



Other matter . 260 



1,000 



" Each man receives 60 grammes (about 2 

 ounces) of this chocolate per day, in which 

 there are 12 grammes of sugar, 26 of butter, 



