PHYSIOLOGY OF SMOOTH AND STRIATED MUSCLE 



559 



Experiment 38 

 February 15, 1911 

 Tendo A chill is of bull-frog 25, 

 weighed fresh 0.350 gram 

 2.15 P.M. immersed in Ringer 

 2.45 P.M. weighed 0.377 gram 

 4.51 P.M. weighed 0.410 gram 

 9.37 A.M. February 16, weighed 0.431 

 gram 

 Temperature varied between 18° and 

 21° 



Experiment 39 

 February 15, 1911 

 Tendo Achillis of bull-frog 25, 

 weighed fresh 0.395 gram 

 2.23 p.m. immersed in Ringer without 

 NaHCOs + 0.025 per cent 

 lactic acid 



2.53 P.M. weighed 0.417 gram 



4.54 P.M. weighed 0.483 gram 



9.42 A.M. February 16, weighed 0.577 

 gram 

 Temperature varied between 18° and 

 21° 



Experiment 40 

 February 15, 1911 

 Tendo Achillis of bull-frog 26, 

 weighed fresh 0.275 gram 

 2.32 P.M. immersed in 0.7 per cent 



NaCl solution 

 3.02 P.M. weighed 0.293 gram 

 4.59 P.M. weighed 0.320 gram 

 9.49 A.M. February 16, weighed 0.325 

 gram 

 Temperature varied between 18° and 

 21° 



Experiment 41 

 February 15, 1911 

 Tendo Achillis of bull-frog 26) 

 weighed fresh 0.206 gram 

 2.39 P.M. immersed in distilled water 

 3.09 P.M. weighed 0.260 gram 

 5.02 P.M. weighed 0.280 gram 

 10.00 A.M. February 16, weighed 0.270 

 gram 

 Temperature varied between 18° and 

 21° 



Experiment 42 

 February 16, 1911 

 Round part of tendo Achillis of bull-frog 27, weighed fresh 0.302 gram 

 11.02 A.M. immersed in Ringer without NaHCOs 

 11.32 A.M. weighed 0.318 gram 

 3.02 P.M. weighed 0.338 gram 

 10.32 A.M. February 17, weighed 0.344 gram 

 4.02 P.M. weighed 0.340 gram 

 10.32 A.M. February 18, weighed 0.333 gram 

 Temperature varied between 19° and 21° 



