258 FRANCIS n.VUWIN. 



Time. Temperature. 



C. 

 11.53' 30" 4-4 l"'iliimeiit coiitracto(i ; as are all the fiia- 



luoiits ill this prejmration. 

 11.59 50 After 11.59 vessel allowed to cool. 



12.20 p.m. 25 All the lilaineuts (i iu number) contracted, 



Nov. -ZSih. 

 5 p.m. cold Two lilamcnts slightly re-extended ; they 



were therefore not killed by temperature 



of 50'-\ 



Expert menl 4. — Nov. 27th. 



A fihuueut in the preparnlion used in 



Experiment 3 still f'.r/t'/Ki'e'd^. 

 Filament eontracted. Nineteen filaments on 



this seel ion ot' leaf contracted, but one is 



found still extended. 

 Filament extended. 



Filament contracted. 



Experiment 5. 



A number of filaments extended. 

 Filaments still extended. 



Several filaments contracted. 



More filaments contracted. 



h\\ contracted. Vessel of water allowed to 



cool. 

 A single thick, partially expands! filament. 

 Filament still extended. 

 Filament contracted. 



Experiment G. 



No filaments visible. 

 A filament extended. 



Filament contracted. Observation imme- 

 diately transferred to another filament 

 (^extended) in the same preparation. 



This, the second filament, contracted. Ob- 

 servation transferred to third filaiueut. 



Third filjpieut extended. 



Third filament contracted. 



Extended again. 



Contracted (^owing to a mistake in obser- 

 ving, it may have contracted at a few de- 

 r.49 18 grees lower), water having cooled since 



7.5. Filament still contracted. 



