106 



SUGAR BEET SEED. 



when the subacetate reaches /, the cock is turned 

 another one-fourth of a revohition, which allows the 

 water from L to enter the apparatus. As soon as the 

 water commences to run over at H, K is again turned. 



Fia. 40. Complete apparatus. 



and by completing the revolution the contents of the 

 pipette fall into T, containing the pulp. This is covered 

 with a rubber disk and is held in position between the 

 hands; after a few minutes, shaking and filtration fol- 



