VIII. B, G 



Barber-: Examination of Artesian Wells 



451 



Table IX. — Water from well in Plaza Malolos, Malolos, Bulacan Province. 



Sample taken March 18, 1913 ; water, sweet to taste ; temperature, 29' C. ; located on pubUc 

 street; not flowing spontaneously, but water could be siphoned from the pipe; depth, 64 

 meters ; in use since 1908. 



e 

 9 



o 



Nutrient medium. 













Result, a 











i 



■ s 



' a 



^ § 



S 



20 hours at 36°.| 



40 hours at 36°. 



3 days at 36°. 



6 days 





1 



1 



oS 



» 



M 



a 



3 

 '5 



<: 



J) C 



•IS 



i 



•o 



OS 



c'-B 



S 3 



0.2 

 Oo 



1 



i 



< 



°s 



IS 



+ 

 + 

 + 

 + 



+ 

 + 



ec. 



4.6 



5 



1 1 



Glucose-broth fermentation . . 

 do 



Glucose agar --- 





 

 

 

 

 

 

 







+ 



+ 



+ 



-t- 

 + 

 + 

 + 





 



+ 





 

 

 

 











+ 



(b) 

 (b) 

 (0) 

 (b) 

 (b) 

 38 





 



-i" 

 

 

 

 

 





+ 

 + 

 + 

 (b) 

 (b) 

 (b) 

 (b) 

 (b) 





 

 + 

 

 

 

 

 



do — - 



Plain agrar 



do. - 



Bile-lactose agar - 







1 











1 











i 



AmGeba test negative. 



b Many colonies present. 



Table X.~Water from well on Aglipaij Street, Mariqtiina, Rizal Province. 



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

 little standing water near; depth, 70 meters; in use three years. 



s 



1 



i •« 

 o 



a 



3 



< 



Nutrient medium. 







Result. » 









45 hours at 86°. 



3 days at 36°. 



1 



6 days. 



1 



< 







.2c 



§1 







+ 

 + 







(b) 



+3 



(b) 

 (0) 



0? 

 

 3 



i 



< 







Si 



'n 



ai 







+ 







+ 



+3 



+ 



a- 



+1 







1 





 t% 

 

 







+ 





 

 



3 



"o 



< 











•11 



oo 







+ 

 + 

 +1 

 + 

 (■=) 

 + 

 + 

 +1 

 



ce. 

 0.1 

 1 

 6 



1 



: 



5 



5 



1 

 1 

 5 



1 











 

 

 

 

 

 

 





 To 

 

 

 

 

 

 

 

 



do 



do 





do 





do - 







do 



























"Amoeba test negative. 



b Many colonies present. 



« +8 or 4. 



* +4 or more. 



