SPERMATOCYTIC DIVISIONS OF LEPTOCORIS ILEMATOLOMA. 319 



of division, and as the chromosomes are pulled apart, taking 

 on a slender elongated appearance. 



In conclusion it may be suggested that the female has two 

 X-chromosomes, or fourteen in all. Wilson reports that Lepto- 

 coris trivittatus has fourteen in the female and thirteen in the 

 male. 



