24. 



produotion of each ^aa determined for three aucceaalve daya (Table 19) while 

 tha CO* production p*>r gram: .reight was not the aarae for the two epealnene on any 



two iaye, the avomgee of tha thr*? d^ya 3.97 Mai 3.99 are prsaticslly identical. 



It waa now hoped to determine th* ere* a of the t*ipol*e a* anaea- 

 thetiiing and making plaeter caeta of thaw, which eould later be narked off Into 

 a re f. a -it. J meaeurod »iih dividere. i» wetboi, however, proved unttatisf aetory 



and waa abandoned. 



For the next oxp«*rl*$nt (Id) a ne-w methoJ of calculating the area 

 waa deviaal. The average of tha length, width &ad depth of the hoJy wan 

 found and *lth I • the diameter tha area of tne body eae calculated aa the 



area of ■ aphsre. Tho ares of the toll aaa computed by regarding it "a a 

 roo tangle fro* the baae to the level at which it begin* to taper rapidly to a 

 point, and aa a triangle frow thia level to the tip. Th«*ea MM* were doubled 

 to give the two alias of the tail, m -sres of the iv>dy, already found, 



added to give tha total are** of I ' sole, whlc.i is axprceecd in atjuare 



Millimeter*. Tha ore** c arvuteJ by thia awthod. i& probably considerably ieee 

 than the aotua.1 area of the iadpole, but it vn» hoped that by selecting eniaolc 

 eiailnr in ahape, Mm ratioa of computed area to actual area would be about the 



Three seta of three tadpolen each were selected, &eaaured, weighed 



"»nd Dm COo production deterwlnsd for six successive daya (Tnble 24). At the 



end of thia time tha C0 r fir l«» per gr»« of tadpole waa 4.65 c.c for the 



2 



larger else, 4.66 c.o. for tin aecond siae Med 5.0 o.c. for tha ewaller also, 



showing a alight lnerets* in 00„ production par unit of weight, with B decrease 



a 



in else. In order to corapare the relative area, weight and CJ0 £ production of 

 the three taJpolaa, all were expressed in terms of p>r cent of the larger also 

 taken ae 100 (Table 24). Tha weight and CO,, production vary b7 differences 



of 4*1.13 % and +2.Q3 % in the aecond! and third alsea respectively, while the 



