1 I FECTS OF CHANGES IX MHDH M. 



2O7 



for adju-unent to the changed conditions, thus the effect> appear 

 at once and \\ould not be expected to continue when the cause 

 has been removed. It may be concluded that beef is ahvay^ 

 more, or lc>s of a stimulant to Uroleptus but the tinu- when the 

 >timul.itiiiii are apparent varie- with t! Mature 



- \\ill r< --jiond at once. Immature and oM >eric- are at lir>t 

 deprc~-ed ami -how the stimulating effect^ n\y after they are 

 oner niorr in thrir normal environment. 



TABU. IV. 



OK BEKF 1 



SUMMARY. 



T!K- rr-| ii HIM- i M I 'roleptus mobilis to trt-ai ninit with a 1 >rrl-ll< air 

 nirdimn \ arirs with the age of the protopla-in. Both \min- and 

 old series arr immediately depressed in the beef mr<li>im but 

 iver tlu'ir \itality and may show a greatrr divinon rate than 

 that of thr ronti-' es when transferred to thr normal ha\ -tlair 



medium. Mature -nies on the other hand are simulated when 

 placed in the bei-f medium. The stimulation however i- not 



