THE BABCOCK TEST 



55 



drawing it full of the milk 

 next to be sampled, this por- 

 tion being thrown away. 



TRANSFERRING SAMPLE 



OF MILK FROM PIPETTE 



TO TEST-BOTTLE 



Having filled the pipette 

 just to the 17.6 cc. mark, one 

 holds the pipette obliquely to 

 the bottle, placing the point 

 of its lower end within the 

 neck and against the side of 

 the neck of the test-bottle. 

 The right way of holding the 

 pipette is shown in the Fig. 

 26. By loosening the finger 

 at the upper end of the pipette, 

 one allows the milk to flow 

 slowly down the inside of the \^ 

 neck. The small portion of 

 milk adhering to the inside of 

 the pipette is nearly all carried 

 into the bottle by blowing 

 through the pipette several 

 times before removing it from 

 the neck of the bottle. Not 

 a drop of the milk should be fig. 26— correct way of 

 allowed to spill outside the holding pipette and 

 bottle in transferring from bottle 



the pipette. 



It is not intended to remove every trace of milk 

 from the pipette into the bottle, since allowance for 



