21 



recovered at 4 : 30 p. m. At 8 : 30 next morning it was walking with 

 a peculiar gait, frequently stumbling with the hind feet. 



Case 4. A calf weighing 208 pounds was fed 1J pounds at 10 a. m., 

 April 19, 1919. At 10 : 20 a. m. it began vomiting, and vomited again 

 at 11 : 20 a. m. Was grinding the teeth almost constantly from 10 : 30 

 until noon. At noon the respiration was 40 per minute. This calf was 

 able to get up at 2 p. m., but walked with a very unsteady gait, espe- 

 cially noticeable in the hind legs. This condition continued until 9 : 30 

 p. m. At 8 o'clock next morning it was still weak and looked very thin. 



Figure 9. Death Camas Poisoning. 

 This calf shows slobbering after 

 eating death camas. This symptom 

 is more common in sheep than in 

 cattle. 



Figure 10. Death Camas Poisoning. 

 This calf shows a common symp- 

 tom weakness in the hind-legs. 



It ate a little hay, but soon quit ; the bowels were quite loose. At 

 8 a. m. on April 22, it appeared to have recovered ; but was still thin 

 and a little dull. 



Case 5. A calf weighing 193 pounds was fed two pounds of death 

 camas leaves at 9 : 30 a. m. At 10 a. m. it began to slobber, the respira- 

 tion then being 56 per minute. It vomited between noon and 1 p. m. 

 At 3 p. m. it was still dull, and walked with an unsteady gait when 

 made to get up. Next morning it appeared to have fully recovered. 



Meadow Death Camas, Feeding Tests with Cattle. 



Owing to the scarcity of material, few tests were made with this 

 species. The five feedings made are summarized in Table VI. 



TABLE VI 

 MEADOW DEATH CAMAS (Z. vcnenosus). THE GREEN LEAVES FED TO CATTLE. 



