SECRETION PHYSIOLOGY. 313 



Experiment VIII. 



Small dog under morphine and chloroform. Left submaxil- 

 lary duct and nerves prepared. Nerves cut. The chorda is 

 first stimulated intermittently for an hour. The sympathetic is 

 stimulated each time for 30 seconds. Secondary coil 70. Se- 

 cretion in mm. as before. 



Time. Nerve 



Secretion. 



h. m. s. 





3 30 Sympathetic 



10 



3 32 



4 



Inject 3^cc. 0.6% NaCl solution into Wharton's duct. 



3 34 Sympathetic 



15 



3 36 







3 41 







4 10 " 



II 



4 II 



8 



4 12 30 



4 



Inject ^ cc. 0.5% NaCl into duct. 





4 14 Sympathetic 



8 



4 15 



6 



Experiment IX. 



Conditions of experiment as in 8. Dog larger. Sympathetic 

 30 seconds stimulation, unless otherwise indicated. 



Time. 



Nerve. 



Secretion in 



MM 



h. m. s. 









5 20 



Sympathetic 



40 





5 22 



(( 



15 





5 24 -5 25 



it 



20 





5 26 



It 



10 





5 27 -5 27 40 



it 



20 





5 28 -5 28 40 



i I 



18 





Inject .4 cc. 0.6% 



NaCl into duct. 







5 30 



Sympathetic 



40 





5 31 



(( 



7 





5 32 



( ( 









Inject .3 cc. 0.6% 



NaCl. 







5 34 



Sympathetic 



1^ 





5 35 



(< 



2 





5 36 



(( 









Inject .3 cc. 0.6% 



NaCl. 







5 38 ^ 



Sympathetic 



11 





