552 



EDWARD B. MEIGS 



Experiment 12 

 December 13, 1910 

 Sartorius of green frog 10, weighed fresh 0.148 gram 



11.02 A.M. immersed in Ringer 



12.02 P.M. weighed 0.144 gram, trans 



ferred to half strength Ringer 

 12.12 P.M. weighed 0.152 gram 

 12.22 P.M. weighed 0.159 gram 

 12.32 P.M. weighed 0.164 gram 



Temperature varied between 17° and 19 



12.42 P.M. weighed 0.168 gram 



12.52 P.M. weighed 0.171 gram 



4.08 P.M. weighed 0.182 gram 



10.07 A.M. December 14, weighed 0.172 



gram, still highly irritable 



Experiment 13 

 December 15, 1910 



Stomach muscle of green frog 11, weighed fresh 0.107 gram 

 10.11 A.M. immersed in distilled water 11.07 a.m. weighed 0.252 gram 

 10.19 A.M. weighed 0.130 gram 11.22 a.m. weighed 0.263 gram 



10.27 A.M. weighed 0.149 gram 11.37 a.m. 



10.35 A.M. weighed 0.172 gram 2.23 p.m. 



10.43 a.m. weighed 0.188 gram 4.12 p.m. 



10.51 a.m. weighed 0.217 gram, fibers 9.59 a.m. 



enormously lengthened gram 



10.59 A.M. weighed 0.240 gram 



Temperature varied between 18° and 21° 



weighed 0.261 gram 

 weighed 0.252 gram 

 weighed 0.253 gram 

 December 16, weighed 0.240 



Experiment 14 

 December 16, 1910 

 Sartorius of green frog 12, m 

 fresh 0.102 gram 

 11.12 A.M. immersed in 7.5 per cent 



cane sugar solution 

 11.20 A.M. weighed 0.100 gram 

 11.28 A.M. weighed 0.102 gram 

 11.36 A.M. weighed 0.103 gram 

 11.44 A.M. weighed 0.105 gram 

 11.52 A.M. weighed 0.105 gram 

 12.00 M. weighed 0.104 gram 

 1.30 P.M. weighed 0.105 gram 

 2.30 p.m. weighed 0.104 gram 

 4.25 P.M. weighed 0.104 gram 

 9.45 A.M. December 17, weighed 0.105 

 gram, fibers somewhat 

 shortened and entirely 

 unirritable 

 10.00 A.M. Muscle transferred to Ringer 

 10.20 A.M. Still unirritable 

 11.20 A.M. Still unirritable 



Temperature varied between 16° and 11.15 a.m 



Experiment 15 

 December 16, 1910 

 Stomach muscle of green frog 12, 

 weighed fresh 0.133 gram 

 11.16 A.M. immersed in 7.5 per cent 



cane sugar solution 

 11.24 A.M. weighed 0.143 gram 

 11.32 A.M. weighed 0.155 gram 

 11.40 A.M. weighed 0.158 gram 

 11.48 A.M. weighed 0.169 gram 

 11.56 A.M. weighed 0.167 gram 

 weighed 0.173 gram 

 weighed 0.214 gram 

 weighed 0.215 gram 

 weighed 0.223 gram 

 December 17, weighed 0.227 

 gram, fibers much length- 

 ened; muscle entirely un- 

 irritable 

 transferred to Ringer 

 muscle now somewhat irrit- 

 able; replaced in Ringer 

 muscle now highly irritable 



12.04 P.M. 

 1.34 P.M. 

 2.34 P.M. 

 4.29 P.M. 

 9.49 A.M. 



10.17 A.M. 



10.48 A.M. 



19" 



Temperature varied between 16° and 



19° 



