SECRETION PHYSIOLOGY. 347 



Left Gland. Amount. 



5 30 Stimulate left chorda lo seconds. .070 



next 10 " .010 

 5 30 30 n II chorda (strong muscular contrac- 

 tions). .070 



5 31 Left chorda. No more effect except on mus- 



cular contraction. 



Summary. 



Right gland. 



Total time of stimulation, 120 seconds. Total secretion, .495 cc. From be- 

 ginning of cut to end of chorda effect, 4 minutes. 



Left gland. 



Total time of stimulation, 20 seconds. Total amount, .080 cc. Time from be- 

 ginning to cut to end of chorda effect (2)5 minutes, 30 seconds. 



Experiment LXIV. 



Before cutting. Coil 18. 30 sec. stimulation. Secretes 2.1 

 cc. Cut head at 4.30, i^ minutes to sever completely. 



h m s h m 



4 31 40-4 36 Intemiittent stimulation. Secretes .250 cc. 



No more secretion after 4.35. 

 4 38 Stimulate s}'Tnpathetic for two minutes, secretes .065 cc. 



Time from beginning of cut to end of chorda effect 5 minutes. 



Experiment XXII. 



Before cutting. Coil 18. 10 sec. stim. Secretes .2 cc. 

 Cut at 6.07. 30 seconds to sever head completely. 



h m s h m s 



4 07 30 - 6 9. Stimulation, 1st 10 seconds .225 cc. 



40 seconds stim. .060 cc. 



6 09 20-6 19 10 Stimulate coil 18. 30 sec. stim. .150 cc. 

 6 10 30 Chorda no mre effect 



6 12 Coil to 14. Muscular contractions .050 cc. 



Total secretion .375 cc. 



Time from cuttiug till chorda ineffective, 3 m. 30 s. 



Experiment LXIII. 



Small dog, Irish terrier, under ether. Canula in left Whar- 

 ton's duct. Tracheotomy, Chorda-lingual nerve cut. Pro- 



