Dr. Oscar Loew 65 



observed when the latter is protected for a 

 time by the parchment envelope. The cost of 

 transportation is in this case a little higher, 

 but it does not come into consideration, as 

 from $2 to $3 more has been realized per 

 hundredweight for coffee thus treated, than for 

 that cleaned in Central America. 



In reviewing- the so-called fermentation of 



O 



coffee the conclusion is inevitable that alcoholic 

 and acetic fermentations are not of direct 

 benefit, but only indirect, inasmuch as heat is 

 thereby produced which supports the action of 

 a body (enzyme) furnished by the bacteria, 

 which dissolves the adhesive substance between 

 the parchment envelope and slimy layer. 



