64 Wyoming! Agricultural Experiment Station. Bulletin No. 112 



No. 8. 



Leaves, stems, and pods (dry) 3 oz. 



Water 10 oz. 



Digested 48 hours at the boiling point of water. Filt- 

 ered. Concentrated to 2 oz. 

 No. 9. 



Leaves, stems, and pods (dry) 3 oz. 



Water 10 oz. 



Sulphuric acid (5%) I oz. 



Digested 48 hours at 90 C. Filtered. Sulphuric acid 



removed. Solution concentrated to 2 oz. 



Results as to Activity of Extracts. 



Extract No. i. Volume, 2 oz. 



Given internally to full-grown rabbit at n a. m. No 

 symptoms at 5 p. m. Died during the night. 

 Extract No. 2. Volume, 2 oz. 



Given to full-grown rabbit at 1 1 a. m. No symptoms at 

 5 p. m. Died during the night. 

 Extract No. 3. Volume, 2 oz. 



Given internally to full-grown rabbit at n a. m. De- 

 cided symptoms at i 130 p. m. Restoratives administered. 

 Died at 6 p. m. 

 Extract No. 4. Volume, 75 oz. 



Given by drench to an old ewe October 4, at 2 145 p. m. 

 No symptoms indicated. 

 Extract No. 5. Volume, 5 oz. 



Given by drench to dog at 10 a. m. Decided symptoms 

 of nausea at 10:30 a. m. The dog vomited repeatedly 

 with marked straining. In a few hours the symptoms 

 disappeared. 

 Extract No. 6. Volume, 25 oz. 



Given to yearling calf October 31, at n a. m. No 

 symptoms observed until the following day, at 9:45. An- 

 imal was unable to rise, and had a temperature of 94.5 

 F., pulse 74, respiration 12. Died at 2 p. m., November i. 



