RESPIRATORY METABOLISM. 



II 



Table III. shows results for five different lots of ten wild and 

 ten vestigial throughout pupal life and also gives some idea of the 

 range of variation exiting in animals of the two types. 



CARBON* DIOXIDE OUTPUT. 



TIMI ]iii]..T \v '1 at one time and determination of carbon 



<lin.\i'lr c.utjmt made on successive days from the first day of pu- 

 pntion till hutching as in the case of oxygen determinations. 







CO -MGS. 









' 



~T~ ~~\ r~ i i 



i dioxide output (mg.) per mg. body weight per hour 



wild .iii.l . pupx during entire pupal life. Ordinate represents 



ly weight per hour, abscissa time in hours indicated. 

 a - ;.il ; /> ; wild. 



TABLE IV. 



PRODUCTION PER MG. BODY WEIGHT PER MINUTE FOR 

 up TEN WILD AND TE: I>;IAL PVPX. DURING 



ENTIRE PUPAL Li 



of 



I'llJ'.i ! 



I . . 0.000' 



_ 0.00001025 



0.00000934 



4 0.00002197 



COi(mg.) per mg. Body Weight per min. 

 Wild. Vestigial. 



0.00003052 

 0.00001230 

 0.00001493 

 0.00001840 

 0.00003321 



