230 



ft W 15 20 2S 30 38 40 48 50 59 80 



or nACTioR or 

 ft 10 15 20 25 30 



40 45 50 69 eo 



% 



I 30 



Charts D 280 to D 286. — Velocity-Reactions of Starches of Narcissus tazetta grand monarque ( ), Narcissus 



poeticus ornatus ( ), and Narcissus poetaz triumph ( ). 



282. With Cobalt Nitrate. 285. With Barium Chloride. 



283. With Copper Nitrate. 286. With Mercuric Chloride. 



284. With Cuprio Chloride. 



280. With Uranium Nitrate. 



281. With Strontium Nitrate. 



pnuoD or BsumoH hi xunTTxa. 

 B 10 19 20 29 30 35 40 49 90 99 «0 



pEsiOD OP UAcnoa or Konnxa. 



Charts D 287 to D 289 and D 291, D 292.— Velocity-Reactions of Starches of Narcissus gloria mundi ( ), 



Narcissus poeticus ornatus ( ), and Narcissus fiery cross ( ). 



287. With Chloral Hydrate. 



288. With Chromic Acid. 



289. With Pyrogallic Acid. 



291. With Nitric Acid. 



292. With Sulphuric Acid. 



Chart D 290. — Velocity-Reactions of Pyrogallic Acid with the Starch of Narcissus gloria mundi. Percentage of 

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



