5 



13 



30 







5 



13 



40 - 



5 



14 



5 



14 



40 - 



5 



17 



5 



17 



30 - 



5 



18 



5 



19 



- 



5 



20 



5 



20 









5 



22 



- 



5 



23 



5 



24 









5 



25 



- 



5 



26 



5 



35 









5 



35 



30 







5 



36 









5 



40 









5 



45 



— 



5 



46 



5 



47 



- 



5 



48 



SECRETION PHYSIOLOGY. 345 



Clamped artery. 



40 c .5 



30 No stimulation. 



30 c .03 



c .02 



c .00 



S .OI 



c .00 



s .01 



c .00 



s .00 



Undamped artery. Red blood rushes from tbe vein. 

 Chorda. Rapid secretion. 



Gland secretes spontaneously. 

 Right Sympathetic. .1 cc. 



Left Sympathetic. .04 cc. 



Cut off head as rapidly as possible. Was unable to saw 

 5 49 30 through the vertebral column. All the muscles and skin 



severed. 

 Right gla7td. 

 5 50 30-5 55 Intermittent stimulation of right chorda. .530 



5 55 Chorda (coil 5) muscular contractions. No secretion. 



5 57 Right sympathetic. ,22 CC. 



6 10 Right sympathetic. .04 CC. 



-. Left gland ; no secretion either from chorda or sympa- 



•^ -^ thetic. 



Experiment LIV. 



Right submaxillary. Chorda and sympathetic cut. Dog 

 under morphine and ether. Tracheotomy. The dog's respira- 

 tions become very slow, and finally cease without any struggles, 

 and without ether. There was considerable fluid in the trachea. 



4.46. Stimulate the chorda while dying, chorda effective 

 until 4.50. The secretion becomes less and less and finally 

 ceases. 



I then stimulated the sympathetic and obtained a very copious 

 secretion of . 2 cc. No more secretion from either nerve. 



Experiment LXIV. 



Before cutting. 10 seconds stim. Coil 24. Secretes .79 cc. 

 Begin to cut at 4.50. i minute to sever head completely. 

 No secretion during operation. 



