68 



BITLLETIlSr 365^ 17. S. DEPARTMENT OE AGTMOTTLTURE. 



of No. 635 to 93.3 pounds in the case of No. 643. The averages of 

 these cases, however, are very striking. The cases of 1909 averaged 



















/I ir\y 













S /O /S 20 2S- 30 S /O /£■ SO 2S 30 ^ 9 /^ /9 Z'^ \ 



280 

 270 

 260 

 250 

 240 

 230 

 220 

 Z/0 

 200 

 /90 



^m 



k/70 



^/60 



k/50 



/40 



%/30 



^/20 



K//0 



/OO 



90 



SO 



70 



60 



50 



40 



30 





























62S 



















































































































































































































































■ 









62^ 



































- 



-• 



















































































































































V^/ 

















/07 







_H 



^2 































































































































































€28 











































/2/ 



























6/4 



%" 







6/S 



S 















6/3 











A 



f20 









s 























—626 



6/7 







6/a 

























/'8 





-« 







62/ 



•« 





































.^ 



609 



























6/0 











5 











98 















" 



























































Fig. 7. — Chart of feeding of Delphinium tar'beyi to cattle experimentally poisoned in 

 1910, showing dates, quantities fed, apd duration of feeding. • indicates plant 

 collected near station ; X indicates plant collected at Kebler Pass about 1,000 feet 

 higher than the station ; those marked L received leaves and stems ; those marked 8 

 received seeds and the pods and stems hearing them ; all the others received the 

 whole top of the plant. The short horizontal line indicates duration of feeding. 

 The weights of plant are given per thousand pounds of animal. 



92 pounds; the DelpMniu7n harheyi cases of 1910 averaged 100.4 

 pounds, while the Delphinium menziesii feeding of 1910 averaged 



