558 



Ralph Hopkins and Gustav Mann, 



Table IV. Stomach (Bull-Frog). 



Frog 





Relaxation. 





Contraction. 



Commenced. 



Time. 



Ended. 



Commenced. 



1 



417 2 





800 



47 



54 



3 



4174 





900 



52 



537 2 



4 



43 





440 



527 2 



547, 



5 



39 





900 



53 



55 



14 



38 





840 



53 



54 





40,55 







51,5 



54,2 Averages. 



Table V. Bladder (Bull-Frog). 



Frog. 



Relaxation. 

 Commenced. Time. 



Ended. 



Contraction. 

 Commenced. Time. 



„ , , Remarks. 

 Ended. 



2 



31 



1090 



50 



52 430 



62 Breaks at 67 7 a 



16 



287 2 







52 



Breaks at 58. 



18 



27 



2910 



48 



51 



Breaks at 57. 



19 



27 



1710 



49 



52 



Breaks at 68. 



28,37 



49 



51,75 



62 Averages. 



Frog. 



Table VI. Gastrocnemius Muscles Unfatigued (Bull-Frog). 



1 st Contraction. 

 Commenced. Time. Ended. 



6 37 260 457a 



8 407 9 440 437, 



17 39 250 457 2 



2nd Contraction 

 Commenced. Time. Ended. 

 53 250 60 



517 4 370 63 



52 300 60 



Remarks. 



38,83 



44,83 



52,08 



61 Averages. 



Gastrocnemius Muscles Fatigued (Bull-Frog. ) 



6 



31 



550 



44 



5274 



340 



62 





8 



36 



360 



397. 



5174 



330 



61 



Muscles kept 

 on ice. 



17 



847, 



500 



477 2 



50 



380 



60 







33,83 





43,66 



51,5 





61 



Averages. 



Sartorius Muscles Unfatigued (Bull-Frog). 

 7 367 a 1210 44 527 2 220 58 



9 357 4 270 43 V2 527 4 320 59 x / 2 



35,87 



43,75 



52,62 



58,75 Averages. 



Sartorius Muscles Fatigued (Bull-Frog). 

 30 1360 397, 53 320 60 



337 4 330 43 53 320 587« 



31,87 



41,25 53 



59,25 Averages. 



