670 HENRY H. DONALDSON 
TABLE 2 
Data on frogs from Chicago, 1901-02. Fundamental table giving the mean values 
of all the data for each group 
|aroannien OF SPECIMENS 
SERIES Soe See) =. BODY WEIGHT TOTAL LENGTH 
M. | F. 
gms. mm 
| einer ene ts Sree 3 3 pile? 165 
DG Ts 6 Ld ES oF 12 8 22.6 170 
a es Ld. nN 16 14 2153 168 
OHI ae. Were easels t aS Me 22).3 168 
1316s. bees eee: 15 eee? 24.4 174 
Wee eet PAL NA 16 15 22.4 166 
PET, IR ay aah ek Sel 14 14 23.3 166 
D5 eA awe 2 hoe ee 12 14 23.0 165 
STR Oe 2 2 19.4 166 
Brain 
SERIES WEIGHT LENGTH PERCENTAGE OF WATER 
gms. | mm. 
1 ee ee ae ee 0.0793 | 13.7 | 84.1 
A le ie niet lente cate ee Oa 0.0857 1 Sed, | 84.6 
SO Res CP eee Tin Chetty eae 0.0870 13.6 | 84.7 
NES etl Rie a eee 0.0917 13.9 | 84.6 
Sea Setlists hae 0.0859 14.1 B51 
Te a ep ae ee in 0.0939 14.2 84.7 
p.) ae, eee See meee 0.0944 | 14.2 | 84.8 
DRO RN etat Mace yey ete 0.0933 14.1 84.5 
Byte tS hs Ceres ae ae 0.0793 13.4 84.6 
Cord 
Nic: Pe Se een es 0.0382 14.6 79.5 
4 os, encore 0.0410 15.6 80.3 
BEG) telstra oe | 0.0415 | 15.5 80.7 
GEIB. SR ke bare eee en | 0.0423 15.3 80.6 
IGG ie we te Sere y 0.0416 | 15.6 80.5 
V720.L ae Ree | 0.0443 | 15.5 80.1 
Py A Mine ae Fae | 0.0453 | 15.3 80.4 
D596 1) a eee | 0.0429 | 15.2 80.2 
1 A Te ER 2, 0.0344 15.4 81.1 
