260 



PERIOD or REACTION m UUIUTES. 

 10 15 20 28 30 35 40 d5 50 55 SO 



PERIOD or R£AcnoiT m lumrm. 

 S 10 15 20 25 30 35 40 46 SO S5 60 



)i "<• 



w 



PERIOD OP REACnOn m HUflTTES. 

 5 10 15 20 25 30 35 40 45 50 85 BO 



667 



Charts D 659 to D 667. — Velocity-Reactions of chloral hydrate with various starches, showing the percentage of 

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



659. With Hippeastrum titan. 



660. With Hippeastrum ossultan. 



661. With Hippeaatrum dseones. 



662. With Amaryllis belladonna. 



663. With Hffimanthus katherinsB. 



664. With Hsmanthua puniceus. 



665. With Narcissus taz, grand men. 



666. With Iris iberica. 



667. With PhaiuB grandifolius. 



