VUI, B, 6 



Barber: Examination of Artesian Wells 



449 



Table VI. — First examination of water from well in the church square, 

 Bocaue, Bulacan Province. 



First examination, March 8, 1913. Now flowinK 3.8 liters per minute ; said to flow most 

 at high tide ; water, sweet; temperature, 29° C. ; ditch with standing water near. 



1 



•s 



la 



1 



Nutrient medium. 



• 











Result. » 













20 hours at 36^. 



40 hours at 36°. 



3 days at 36°. 



6 days. 



1 



i 



o 



< 



o o 



i 



'3 

 < 



« c 







a a 



V C 



ai 



J 



3 

 < 



Sg 



ss 



lli 

 all 



cc. 





1 



Glucose-broth fermentation .. 



•ft 





+ 



ft 





+ 



i\ 





-r 



ft 





+ 



6 



do 



A 





-t- 



18 





+ 



18 





-r 



ft 





+ ; 



1 





















1 









1 









1 



6 



do - 



+ 





(b) 



+ 





(b) 



+ 





(b) 



+ 





(b) 



1 



Plain agar 











































5 



do 









(•>) 



+ 





+ 



+ 





+ 



+ 





+ 



5 



LitnuiB -lactose as&r 



+ 



(■>) 



(b) 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



5 



3ile-Iacto8e a^&r 



+ 





(b) 



+ 





+ 



+ 





+ 



+ 





+ 







" Amoeba test negative. 



b Many colonies present. 



Table VII. — Second examination of water from well in the church square, 

 Bocaue, Bulacan Province. 



Second examination, March 27, 1913. Water now being raised by a pump. 



i 

 1 



*■> 



C 



g 



B 



<! 



cc. 

 0.1 



1 

 6 



0.1 

 1 

 6 

 1 

 6 

 6 

 1 

 6 

 1 



Nutrient medium. 









Result. 



a 









48 hours at 36°. 



65 hours at 36°. 



7 days 





o 



a 



!2 

 < 



Sg 

 gg 



If 



a-§ 



i 



!2 



V B 



M 



1 



'5 

 < 



II' 



o.2i 



Glucose-broth fermentation tube 



ft 

 ft 







+ 



+ 

 + 

 + 

 + 







+ 







+ 

 + 

 + 

 1 

 + 

 + 

 + 

 + 

 + 

 + 

 + 



15 



ft 

 ft 

 ft 







+ 

 + 



+ 

 + 

 + 







+ 



+ 



+ 

 + 



-r 

 1 

 + 

 + 



+ 

 + 

 + 

 + 



ft 

 ft 

 ft 

 



+ 



+ 



+ 

 + 



+ 

 4 





do 



+ 



..do - 



J- 





1 



do 



+ 



do . ... 



+ 



Plain agar . . .. -. 



+ 



do 



J 



Litmus-Iactoee agar 



+ 





4- 



do 



+ 





























* Amoeba test negative. 



