250 





KUOO or UACttOM III HDnms. 

 10 15 20 25 30 39 40 45 50 ' 66 W 



545 



vmoD or AucnoB m lumms. 



i 



I 40 



Charts D 545 to D 559.— Velocity-Reactions of Starches of Richardia albo-maculata ( ), Richardia elUottiana 



( ), and Richardia mrs. roosevelt ( ). 



5*5- E;*!" 9.¥°'»\ Hydrate. 650. With Hydrochloric Acid. 655. With PyrogaUic Acid. 



551. With Potassium Hydroxide. 556. With Nitric Acid. 



652. With Sodium Salicylate. 657. With Sulphuric Acid. 



553. With Chloral Hydrate. 658. With Hydrochloric Acid. 



664. With Chromic Acid. 559. With Potassium Hydroxide. 



546. With Chromic Acid. 



547. With PyrogaUic Acid. 



648. With Nitric Acid. 



649. With Sulphuric Acid. 



