296 



J. T. PATTERSON. 



TABLE II. Continued. 



MIXED BROODS OF Paracopidosomopsis. 



two broods of Table II. only a single male was present. In 



contrast with this condition, broods with a large number of males 

 and a few females have so far not been found. As stated above, in 

 only seven cases out of a hundred and ten are males in excess 



TABLE III. 



MIXED BROODS OF Paracopidosomopsis. 

 Per Cent, of Males Based on a Study of 500 Individuals. 



of females, and even in these the smallest number of females 

 is almost as much as 28 per cent, of the entire brood (brood i). 

 The fact that females are so frequently in excess of males in the 

 broods is one of the most significant points brought to light in 

 the study of these parasites. 



