170 
Psyche 
[December 
8.0 
76 
72 
6.8 
6.4 
6.0 
5.6 
5.2 
4.8 
4.4 
4.0 
3.6 
3.2 - 
2.8 
2 . 4 - 
2.0 
1.6 - 
1.2 j 
0.8 
0.4 - 
o 
o 
O o ■■ 
° U * O O 
• 8> ° oaoooal ■ 
®*o ° ° ■ °B 
• o o o ■■ ■ 
, o o 
cm o8» o 
o o 
8 8oo 
°o 00 
® g • ° 
° 8 
o o o 
oo o 
oo 
o 
o c 
oo o 
o o °o 
no 
o°o o 
0.0 
,a 8 o8 8 °oo ° 
ro0D ooO 
! §8° o°° ° 
Byrsotria fumigate 
o = Oocytes, virgin females 
• = Oocytes, mated females 
■ = Degenerating oocytes, virgin females 
■ ...I 
i-l J..I— l-l-l.l. J, 
10 15 20 25 3 0 35 40 45 50 
AGE OF FEMALE (DAYS) 
Fig. 2. Growth of oocytes in virgin and mated females of Byrsotria fumi- 
gata. Each point represents one female. Females were mated when 1 to 17 
days old. 
