22 - 



THE ELIMINATION OF CAFFEIN. 



Series. 



Summary of data on elimination of caffein. 



RABBITS. 



eaffem 

 per 

 kilo. 



Caffein eliminated. 



First 

 period. 



Second 

 period. 



Third 

 period. 



Total. 



Remarks. 



fOats.. 

 \C3rr0ts 



roats.... 

 [Carrots.. 



651, oats. 



652, oats. 



653, oats. 

 Carrots.. 



fOats. 



\ 



Carrots. 



l Carrots. 



Oats. 



Carrots. 



Oats. 



Carrots. 



8 Hay.... 



9 Hay.... 



150 

 150 



150 

 150 



150 

 150 

 150 

 150 

 50 

 50 



50 

 50 



150 

 1150 



150 



100 

 100 



Per cent. 



3 hrs. 

 3.8 

 4.75 



1 hr. 

 4.87 

 2 



4.0 min. 

 1.04 



95 min. 

 2.08 



75 min. 

 1.86 



15 min. 

 0.125 



3 hrs. 

 1.2 



2 hrs. 



2.7 



3h hrs. 



3h hrs. 

 ' 3.55 



24 hrs. 

 8 

 0.934 



lhr. 

 1.025 



24 hrs. 

 4. 75 

 1.7 

 3.56 



.2 

 7.5 

 1.4 

 1.7 



.3 



24 hrs. 



U hrs. 

 4.76 



Per cent. 



22 hrs. 

 5.8 

 6.88 



25 hrs. 

 7.18 

 9.23 



80 min. 

 1.25 



27 hrs. 

 5.33 



27 hrs. 



4 



42 hrs. 

 11.63 



24 hrs. 

 0.52 



24 hrs. 

 4.48 



24 hrs. 

 2.33 



24 hrs. 

 7.83 



48 hrs. 



0.9 



.3 



24 hrs. 

 12 

 0.6 



48 hrs. 

 0.1 



48 hrs. 

 0.1 



Per cent. Per cent. 



9.6 

 11.63 



49 hrs. 



1. 94 13. 99 

 1.29 12.52 



27% hrs. 

 5.11 



47 hrs. 

 None. I 



66 hrs. 

 1.65 



48 hrs. 

 Trace. 



48 hrs. 

 Trace. 



72 hrs. 

 0.56 

 .2 



48 hrs. 

 1 

 0.2 



72 hrs. 

 None. 



72 hrs. 

 None. 



250 cc urine in 3 hours. 

 360 cc urine in 3 hours. 



Ill cc urine in 1 hour. 

 100 cc urine in 1 hour. 



7.4 

 7.38 

 5.86 

 13.28 

 1.72 

 7.18 



5.33 



7.83 



9.48 

 1.434 



14. 025 

 .8 



10.21 

 10.90 



320 cc urine in 24 hours. 

 1,113 cc urine in 24 hours 



300 cc urine in 24 hours. 

 (Some lost, see protocol.) 



960 cc urine in 24 hours. 



Urine, 380 cc in 24 hours. 

 Feces. 



Urine, 750 cc in 25 hours. 

 Feces. 



300 cc urine. 



Stomach. 



Intestine. 



Feces. 



480 cc urine. 



Stomach. 



Intestine. 



Feces. 



Average urine, 390 cc per rab- 

 bit. 



Average urine, 395 cc per rab- 

 bit. 



GUINEA PIGS. 





100 



100 



100 

 100 



24 hrs. 



{ i Si 



( 8. 43 

 \ 2.65 



24 hrs. 



{ 5 







} 

 } 



} 

 } 



9.84 

 11.08 



6.05 

 8.42 



/35 cc urine, gastrointestinal 









Carrots 







JT65 cc urine, gastrointestinal 











48 hrs. 

 0.55 



.5 

 1.56 



.5 





f90 cc urine in 24 hours, gastro- 







11 1 



Carrots 



| 6.36 





/80 cc urine in 24 hours, gastro- 

 \ intestinal canal. 















("2-hour period run, no caffein recovered in urine or feces. 



