260 



PERIOD OP REACnOB IN MntUTES. 

 5 10 15 20 25 30 35 40 



PERIOD OP REACTION IN MDJOTES. 



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



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 dmones. 



662. With Amaryllis belladonna. 



663. With Hjemanthus kathcrinse. 



664. With HEemanthus puniceus. 



665. With Narcissus taz. grand mon. 



666. With Iris iberica. 



667. With Phaius grandifolius. 



