480 



E. ELEANOR CAROTHERS 





A. 



.m . 



71%. 



c. 



t'i ■ 



-«£•• 



WK 



s. 



Text-fig. 4 A photographic reproduction of Voinov's text-figure 1, showing 

 that different individuals possess different numbers of V-shaped (atelomitic) 

 chromosomes. A and B from the same individual show eight or nine. C from a 

 different animal at least eleven, possibly thirteen. D from a third animal nine 

 or ten. E and F from a fourth specimen have eleven. , 



