AN EXTRA DYAD AND EXTRA TETRAD IN CAMNULA 393 
TABLE 2—Continued 
FOLLICLE SPERMATOGONIA FIRST SPERMATOCYTES SECOND SPERMATOCYTES 
Cyst 10 
ic 7 metaphases: 12 dyads 
4 metaphases: 13 dyads 
(fig. 69) 
2 anaphases: 12 monads 
+ 12 monads 
1 anaphase: 13 monads + 
13 monads 
Cyst 11 
I 8 metaphases: 12 tet- 
rads + 1 accessory 
+1 dyad (figs. 52, 
538, 54, 55 56) 
Cyst 13 
Kk 1 metaphase: 26 
dyads 
1 metaphase: 25 
dyads (fig. 63) 
Cyst 14 
L 2 metaphases: 23 
dyads (fig. 62) 
Cyst 16 
M 2 early prophases: 11 
tetrads + 1 accessory 
Numerical classes of metaphase complexes found in 2511 
23 dyads 
[ 
3 classes of spermatogonia......... 425 dyads 
(26 dyads 
(11 tetrads + 1 accessory 
3 classes of first spermatocytes.... 412 tetrads + 1 accessory 
12 tetrads + 1 accessory + 1 dyad 
12 dyads 
13 dyads 
14 dyads - 
4 classes of second spermatocytes.. 
[ 
| 11 dyads 
l 
