262 



pBBioD or KEAcnoH HI lamms. 



p 



a 3 6° 



si 

 g !: 40 



w S 



ss 



nOUOD OF BSACTION m UmOTES. 

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



688 



Charts D 683 to D 688. — Velocity-Reactions of Starch of Iris iberica with various reagents, showing the percentage 

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



683. With Strontium Nitrate. 



684. With Cobalt Nitrate. 



685. With Copper Nitrate. 



686. With Cuprio Chloride. 



687. With Barium Chloride. 



688. With Mercuric Chloride. 



PESIDD OF REACnOR 0) MDrDTE& 

 10 15 20 25 30 35 40 45 50 55 60 



Charts D 689 to D 691. — Velocity-Reactions of Starches of Amaryllis belladonna ( ), Phaius grandifolius 



( -), and Miltonia vexillaria ( ). 



689. With Uranium Nitrate. 690. With Cobalt Nitrate. 691. With PyrogalKc Acid. 



