Effect of Chenu cnls on Growth 



515 



TABLE XXI 



Measurements of g'-oivth in 1-10,000 nicotine. 



TABLE XXII 



Measurements oj growth in 1-20,000 nicotine 



Min. 



90 

 Hour: 



5 

 24 



TABLE XXIII 



Measurements of growth in 1-^0,000 nicotine 



NICOTINE 



Length 



139.8 

 167.4 



175.8 

 187.5 



Width 



No, of 

 Specimen 



Length 



Width 



49-5 

 46.2 



44-4 

 68.7 



No. of 

 Specimens 



|(i2 to)i3 



168.9 



180.6 

 193.2 



45-3 



44-4 

 63.9 



THE JOURNAL OF EXPERIMENTAL ZOOLOGY VOL. 8, NO. 4. 



