242 



r 



\ 40 



30 



PBUOD or UACTtOn IB MiilUlU 

 5 10 15 20 25 30 35 40 46 50 55 60 



437 



U— I— ^-j- f— f^ 1— 



vmop or nAcnov n mnvtl^ 

 6 10 15 20 25 30 35 40 45 50 aa 61 



nuoD or UAcnoH n Hnnrru. 



60- 



I 80- 

 3 70- 



§60- 



t: 



S 40- 



Charts D 436 to D 441. — Velodty-Readions of Starches of Iris cengialti ( - 



and Iris mrs. alan grey ( ). 



• ), Iris pallida queen of may ( ), 



436. With Strontium Nitrate. 



437. With Cobalt Nitrate. 



438. With Copper Nitrate. 



439. With Cupric Chloride. 



440. With Barium Chloride. 



441. With Mercuric Chloride. 



PBRIOD or ■UCnOB 01 MOnTTBS. 



i 



peaioD or mcnoH a imnma 

 10 15 20 25 30 35 40 45 50 55 60 



Charts D442 to D447. — Velocity-Reactions of Starches of Iris -persica var. purpurea ( ), 7m sindjarensis 



( ), and Iris pursind ( ). 



442. With Chloral Hydrate. 



443. With Chromic Acid. 



444. With Pyrogallic Acid. 



445. With Nitric Acid. 



446. With Sulphuric Acid. 



447. With Hydrochloric Acid. 



