486 ORREN LLOYD-JONES AND F. A. HAYS 
TABLE 4 
Duration of motion of spermatozoa as affected by number of services. Percentage 
moving after various periods of time have elapsed. (All semen diluted 
with ten volumes of Ringer’s solution 
AVERAGE HOURS PER CENT ACTIVE 
DATE TEMPERA- AFTER 
TURE RECOVERY Ist 5th 10th : 15th 20th 
Male 1 
1916 | 
10- 2 16 81 0 
24 24 34 
10-13 19 0 
28 80 
48 70 
, 0 0 
10-31 16 55 2 
28 45 
44 21 
18 52 0 
11-14 19 28 30 0 
12- 9 20 22 0 
12-22 20 0 0 
12-26 2 98 35 
4 90 40 13 
8 60 0 5 
12 33 0 
16 18 
20 15 
28 1 
19 36 0.5 
48 0 
1917 
1 il 0 97 90 
4 95 50 
8 40 10 
16 35 0 
20 32 
28 10 
24 32 0 
1-13 0 65 95 50 
2 38 
4 58 44 
8 4] 33 0 
16 35 : 27 
20 20 
23 24 0 0 
