482 
ORREN LLOYD-JONES AND F. 
TABLE 3 
Ae) WEEASYSS 
Rate of progressive motion of spermatozoa from different services; millimeters 
covered per second, and temperature at each observation 
DATE 
TEMPERATURE 
1st 
7916 «| ~—SS* am. per sec. | mm. per sec. | mm. per sec. | mm. per sec. | mm. per sec. 
8- 2 
= Y) 
8-23 
9-16 14 
10- 2 24 
10-13 19 
11-14 12 
11-23 
12-9 
12-26 20 
11-30 18 
1917 
1-1 22 
1-13 22 
6-13 27 
6-18 27 
7-9 25 
7-16 25 
1916 
er II 
8-18 
LAG 21 
10-22 22 
a 22 
12-21 21 
12-30 19 
1916 
10-1 no sperm 
10-15 
10-31 18 
1l- 9 16 
12-28 19 
1917 
6-18 21 
6-14 24 
mm. per Sec. 
0.036 
0.066 
0.052 
0.015 
0.038 
0.020 
0.007 
0.038 
0.030 
0.030 
0.038 
0.055 
0.030 
0.083 
0.060 
0.048 
0.044 
0.026 
0.021 
0.029 
0.021 
0.005 
0.009 
0.019 
0.017 
5TH | 10TH 15TH | 20TH 
M i ile ta te ler ao iL - 
mm. per sec. | mm. per sec. | mM. per SEC. | MM. Per SEC. 
0.063 
0.065 0.038 
no prog. 
0.017 0.031 
0.022 
all dead 
0.0008 
0.0042 no prog. 
0.009 no prog. 
no prog. 
0.012 
0.034 
0.027 
0.025 0.031 0.026 0.016 
0.028 all dead 
0.042 no prog. | no prog. 
M ee eer ee marr ee 3 
0.040 
all dead 
0.022 
0.024 0.010 0.066 
0.023 
0.010 
0.021 
Male 4 
0.023 0.009 
0.004 0.016 
no prog. 
0.012 
0.008 
0.022 0.013 
0.035 
