No. 408.] EFFECT OF HEAT UPON GROWTH. 95I 
4. The measurements taken were: (1) maximum length, 
(2) total weight when freed of superficial water, and (3) dry 
weight, obtained by desiccating the animals in an air-tight 
chamber containing sulphuric acid until they ceased to lose 
Milligrammes 
40 
ak Is / EN 
DI H NS \ pe 1 
l “44. 99°L95° 2.12415 
' 
/ 
h 
cS 
Füge. 
> 
PR 
1 sper 
3 A Lun 
zl aae! E ad 
o 
Days (6 Bo c4 734 —90 ee 39 HB. 40 do. 560 
Graphic representation of Table I, column au nore average total 
Fic. 1. — Rana. 
weight on successive days of the experi 
405 
Mess. 
d 
30 
25\ 4h 
; \ Im 
20 
12, 12'- 15r 
15 ; Pw 
EN 
sols LA Es 
U Y <2 
N. SEM Samer 
58-22-29} RE m 
].22-55* d 
fs. B5.» sw sw 
ta het Perea + 
L$ t 
Fic. 2. — Rana. phic rep 
weight. vet ibis L column 7. "i 
weight. From these were derived the amount of water present 
and the percentage of dry substance. 
Five individuals were taken at random in determining 
all the averages recorded in this Báper, except in the later 
