239 



tog 

 I «o 



I 70 



o 



8 eo 



I 



s 60 



i 



g 40 

 B 20 



PZUOD Off RBACnOB IB UI<I/1'B& 

 8 10 15 go 25 30 35 40 48 SO 65 60 



394 



PEsioD or BZicnon ifmrm. 

 i 10 15 20 2S 30 35 40 45 SO 55 60 



Chakts D394 to D 399. — Velocity-Reactions of Starches of Iris iberica ( ), Iris trojana ( -), and 



Iris ismali ( ). 



394. With Strontium Nitrate. 



395. With Cobalt Nitrate. 



396. With Copper Nitrate. 



397. With Cupric Chloride. 



398. With Barium Chloride. 



399. With Mercuric Chloride. 



Charts D 400 to D 405. — Velocity-Reactions of Starches of Iris iberica ( ), 7m cengialti (- ) and 



Iris dorak ( ). 



400. With Chloral Hydrate. 



401. With Chromic Acid. 



402. With Pyrogallic Acid. 



403. With Nitric Acid. 



404. With Sulphuric Acid. 



405. With Hydrochloric Acid. 



