454 



The Philippine Journal of Science 



1913 



Table XY.—Wate?- from well in the -church square, San Mateo, Rizal 



Province. 



Samples taken March 28, 1913 ; water has a sUght mineral taste ; temperature, 27°.8 C. ; no 

 standing wat«r near; depth, 46 meters; in use since April, 1909. 



u 



1 



a 

 a 



< 



Nutrient medium. 



1 



Result. > 



1 



46 hours at 36°. 



3 days at 36°. 



6 days. 



n 



( 



t 



2 



< 



s^ 



-3 

 o o 



Oo 



-f- 



+ 



+ 



+ 



+ 

 (") 

 (") 



+ 



(•>) 

 (0 



ft 



-t- 

 + 

 

 -1- 

 + 

 

 4- 



< 



+ 



ll 



o« 



-J- 



+ 



+ 

 + 



-t- 

 + 



+ 

 + 



1 



ft 

 ft 

 ft 



+ 

 + 

 



+ 

 + 

 + 

 + 



< 



.sSi 



J2 3 ' 



O O 1 



Oo 



T 

 + 



+ ! 

 -t- 1 



-t- ' 



+ 1 



+ ! 



+ 



+ 



ec. 

 0.1 

 1 



5 



1 

 6 

 1 

 6 

 5 

 1 

 6 

 1 



Glucose-broth fermentation tube - 



}8 



+ 

 + 

 



+ 







-1- 



+ 



do 



do 



Glucose agar. 



do 



Plain agar 



do 



Litmus-lactose agar... 



Bile-lactose agar 



do... 



Plain agar plate 





















" Amceba test negative. 



•> Many colonies present. 



•^ Overgrown. 



