CHANGES ACCOMPANYING BREAKING OF REST PERIOD 65 



Direction o^cur cur 

 rent indicated by 

 arro 



l -Air from outside 

 fc-Faper \orrn 

 s-Tor air minus CO 2 

 4 -Rubber Stopper 

 5-Chamnber for twigs 

 s -KQH. Tubes 

 7'flbsorption bulbs 

 e-Ca C) a Tube 



IT- To 



Fig. 2. Respiration chamber x one-fourth shown in detail. 



Seal 

 to-Cork 



11- Glass "Flange 



is-Tfobber Slopper 

 i ^ i 



13-ror Outgoing cur 

 i4-Ca.Cl a . Tube 

 15-ThurnV) screw 



Ccnnections 



