Notes and Correspondence. 



329 



organisms. I see every time I go to the filtration plant the 

 sullen, turbid flood of a. river which more than a half-million 

 people have used as a sewer, and I see the delightful results of 

 scientific and carefully guarded filtration under which at one cent 

 a hundred gallons we get a result quite equal to Apollinaris at 

 twenty-five cents a pint. 



"If there can be strong attention called to this condition, if 

 there can be reference to the governmental authorities at Wash- 

 ington who have a splendid presentation to make, such a change 

 may come about as to make it most unlikely that San Francisco 

 will attempt the vast expense of the Hetch Hetchy project with 

 the prospect of a cheaper and far more efficient supply closer by." 



