257 



o 60- 



rtiirtp or liACTKin w noron*. 

 10 15 70 25 30 35 40 45 50 55 60 





629 



period or RSAcnon m Mnnnrs 



i 



3 TO - 

 o 



z 

 S 



E 



| 40- 



•100 



. 90 

 | 60 



c 

 s 



a 



Is 



I *° 



o 



\ 



B 



muoD or BiAcnow ct wdtotes. 

 5 10 15 20 25 30 35 40 45 50 55 60 



rauoD or ftiAcnow m mtctzs. 

 10 15__20?S ?0 ?5 40 45 50 55 60 



Charts D 627 to D 634. — Velocity-Reactions oj Starches of Calanlhe vestita tar. rubro-oculata ( - -). Calanlhe 



regnieri ( ), and Calanthe bryan ( ). 



627. With Pvrogallic Arid. 



628. With Chloral Hydrate. 



629. With Chromic Acid. 



630. With Nitric Acid. 



631. With Sulphuric Acid. 



632. With Hydrochloric Acid. 



th Potassium Hydroxide. 

 634. With Sodium Salicylate. 



17 



