248 



MEioD or UAcnDM 01 iconrTzs. 

 6 10 15 20 25 30 35 40 45 50 Oft 60 



piaioo or Rucnoii di Munnix 



10 15 20 25 30 



I SO 

 3 70 



I 



S24 



RtioD Of uicnon ni iiibdti& 



10 15 20 25 80 35 40 45 flO 68 



Charts D 520 to D 526. — Velocity-Reactions of Starches of Begonia single crimson scarlet ( ), Begonia 



socotrana ( ), and Begonia mrs. heal ( ). 



620. With Uranium Nitrate. 622. With Cobalt Nitrate. 524. With Cuprio Chloride. 



623. With Copper Nitrate. ""' ~ ' ~" " " 



621. With Strontium Nitrate. 



625. With Barium Chloride. 

 526. With Mercurio Chloride. 



pmoD Of uucncni n lujiuiii. 



nstoD ot BXAcnoR Df unnriBS. 



Charts D 527 to D 529, D 531, D 532.— Velocity-Reactions of the Starches of Begonia double light rose ( ), 



Begonia socotrana ( -), and Begonia ensign ( ) 



527. With Chloral Hydrate. 

 628. With Chromic Acid. 



629. With Pyrogallic Acid. 



531. With Nitric Acid. 



632. With Strontium Nitrate. 



Chart D 530. — Velocity-Reactions of Pyrogallic Add with the Starch of Begonia double light rose. Percentage of 

 entire number of grains ( ) and of total stardi ( ) gelatinized. 



