452 



The Philippine Journal of Science 



1913 



Table XI. — Water from well near the tnunicipal building, Mnriquina, Rizal 



Province. 



Samples taken March 28, 1913; water with slight mineral taste; temperature, 28° C. ; 

 shallow ditch near ; depth, 20 meters ; in use since August, 1909. 



1 



1 



i 



s 

 < 



Nutrient medium. 









Result." 







i 



1 



^ ! 



45 ho 



1 



ur8at86°. 



3 days at 36=. 



6 days 





It 



» c 



11 







II 



1 



•ri 



•s 



sg| 

 11! 



ce. 

 0.1 

 1 



6 



1 

 1 

 1 

 5 



1 



e 

 1 



Glucose-broth fermentation tube 



A 



-f 







-1- 

 + 





 



-1- 



+ 



+ 



+ 



+ 



+ 



(b) 



+ 

 150 



+ 







+ 

 + 







+? 







-t- 



+ 



-f 



+ 

 + 

 + 

 + 



+ 



+ 



A 



-f 

 



+ 



+ 





 



-1- 

 + 



i 



1 

 + i 

 -f 



+ i 



-f ; 

 + 



+ ■ 



+ 



-t- 



do 



do 



Glucose agar 



Plainagar 



Litmus-lactose agar 



do 



Bile-litmus agar _ _. 



do.. 



Plain agar plate 





















' Amceba test negative. 



*" Many colonies present. 



Table XII. — Water from well on Montalban Street, Montalban, Rizal 



Province. 



Samples taken March 28, 1913 ; water, sweet ; temperature, 27 

 away: depth, 19 meters: in use since May, 1909. 



C. ; standingr water 2 meters 



1 



*> 



i 



< 



Nutrient medium. 









Result.* 









45 hours at 36°. 



3 days at 36°. 



6 days 





1 



73 



1 



flD Qi 



II 



J 





« c 



a-B 





■d 



si 



i'5 

 •2 5 

 0.2 

 O o 



ec. 

 0.1 



1 

 6 

 1 

 5 

 1 

 6 



e 



1 



6 



1 



Glucose-broth fermentation tube 





 



18 







+ 





 



+ 





 



+ 







+ 



+ 



(b) 

 (b) 

 (b) 

 (b) 



-1- 

 (b) 

 0? 



3+ 





 

 18 

 



+ 





 



+ 





 



-f 







+ 



-f 

 + 

 .+ 

 + 









 



a 







-t- 





 



-1- 





 



+ 





do 



+ 



+ : 



i 1 

 + 

 + 

 + 



(?) i 



do 



Glucose agar 



do.. 



Plain agar 



do J 



Litmus-lactose agar .. . / 



Bile-lactose a?ar J 



do 



Plain agar plate 





















' 



* Amoeba test negative. 



b Many colonies present. 



