Nutrition Investigations. 



335 



INJECTIONS or DULSE. 



1. Subcutaneous. 



A dog weighing 11 kg. received 60 cc. of a dulse solution contain- 

 ing 0.9 grams of pure substance. No reduction of Fehling's solution 

 was observed at any time. The time and rate of dulse excretion are 

 shown in the following table : 



Examination of Urine. 



ESTIMATED EXCRETION 

 OF DULSE.* 



February 1, 12:30 P.M 



February 1, 1 P.M | Injection 



February 2, 10 A.M 226 



February 3, 10 A.M : 250 



February 4, 10 A.M 150 



February 5, 10 A.M 210 



February 6, 10 A.M j 310 



February?, 10 A.M i 



Grams. 



-0.14°t 



2. Intraperitoneal. 



The same dog received in this experiment 75.6 cc. of a dulse solu- 

 tion containing 1.4 grams of pure substance. No reduction of Feh- 

 ling's solution was observed before or after the injection. The time 

 and rate of dulse excretion are shown in the following table: 



Examination of Urine. 



ROTATION. 



ESTIMATED EXCRETION 

 OF DULSE.* 



Grams 



December 3, 2 P.M 



December 3, 3 P.M Injection 



December 4, 10 A.M .133 



December 5, 10 A.M 200 



December 5, 12 M 115 



December 6 and 7 383 



December 8, 10 A.M 520 



December 9, 10 A.M 350 



-0.14°t 



ficient hydrochloric acid to make the strength 2 per cent caused no subsequent 

 production of sugar. 



* All readings have been taken on the Ventzke scale, and calculated as angular degrees. 



t Estimating normal rotation of urine as — 0.17° (average). 



