318 



MATHEWS. 



sympathetic may appear paralyzed, wholly or in part, before it 

 actually is. In this condition gently forcing the secreted saliva 

 back into the gland restores the nerve's power. 



Experiment XII. 



Cat etherized. Canula in duct of left submaxillary. Both 

 chorda and cervical sympathetic cut. Both nerves active. In- 

 ject .1^ solution of atropin carefully into femoral vein until 

 chorda just paralyzed. Sympathetic stimulated 30 seconds 

 each time. 



Time. 







Nerve. 





Secretion in cc, 



h. m. 



s. 













3 50 







Chorda 







0. 



3 51 







Sympathetic 







0. I 



3 52 







li 







0. I 



3 53 







a 







0. I 



3 54 







a 







0.05 



3 55 







a 







0.05 



3 56 







1 1 







0.03 





Blew 



th( 



i secretion gently back into 



gland. 





3 57 







Sympathetic 







0.13 



4 00 







(( 







0.15 



4 06 



Inject 



.1 1 



cc. atropin into femoral vein 







4 07 







Sympathetic 







O.IO 



4 08 







(( 







O.IO 



4 09 







(( 







O.IO 



4 lo. 



Inject 



; .2 



. , . Sympathetic 

 ; cc. atropin 



. . . . 



• • • 



. . .10 



4 13 



. . . 





. . Sympathetic . 



. . . . 



. . 



. . .0: 



4 14 , 







(( 







. . .01 



4 15 







(( 







. . .0^ 



Blew 



sal 



iva into gland. 









4 16 



. . . 





, . . Sympathetic . 



. . . . 



• • • 



. . -25 



4 17 • 







<< 







. . .015 



4 18 







(< 







. . .04 



4 19 . 







(( 







. . .02 





Blew 



.1 



cc. saliva back into 



gland. 







4 20 



. . . 





, . . Sympathetic . 



. . . • 



. . • 



. . .12 



4 21 , 







( ( 







. . .04 



4 22 







(( 







. . .0^ 





Blew 



.1 



cc. saliva back into 



gland. 







