Effects of External Conditions 123 
TABLE 6A 
Series of 1907-1908: Males (unmated) killed at 2 months. 
WARM ROOM (22) 
| Body | eee | Hair in 
Weight | | Tail | verte- Ear Foot 
| length mg. 
| | brae | 
spe Ce 714, 32 13.2 16.9 328 
sain a 76 qa 33 12.6 E7ato |. 21460 
| 15.1 79 82 32 13.6 17.3 350 
| 13.8 72 72 2H I My] 18.2 198 
18.8 83 74 32 Arg 17.0 343 
hey, 81 78 33 | 12.4 yfees 341 
ele; 77 73 34 12.5 16.4 228 
18.3 86 77 32 13.0 17.0 271 
12.3 71 714 eed fo ea, 17.3 198 
16.6 83 17 320 lg Tae 1735 289 
iee2T'.6 88 79 B29 Ae enka? 17-5 371 
| 21.7 84 79 qi eiges 16.9 318 
| 17.3 | 81 74 | 31 Petignre: 17.9 233 
16.8 | 81 PN ee 12.3 17-2 258 
18.3 87 [79 33 13.6 17.6 279 
18.7 85 ne ei 12.9 17.2 pe 
16.1 81 76 32 1262, 17.6 229 
eet 714 71 32 13.3 17.5 130 
18.8 | 84 79 32 T3755 18.1 261 
17.2 | 82 78 ated bag Vee) 17.4 234 
18.7 86 81 32 1351 17.5 258 
20.8 88 pone 31 13.0 17.6 306 
Meanie | 16.964:| 81.41 | 75.73 | 32-09 | 13.005 | 17.359 | 264.59 
| 0.346 | +0.69 | 0.45 | +0.11 | 40.056 | +0.055 | +8.98 
Standard | 2.724 4-78 3-11 | 0.74, 0.389 0.382 | 62.48 
pee ge o-2 77 £0.49 | £0.32 | 0.08 | Fo.040 0.039 | £6.35 
