806 



ON THE CH^TOSOMATID^., 



Lying in the mesodermal tissue, just below the ventral setae, 

 there are, in addition, several rows of block -like, granular masses 

 (Fig. 56, b.m.), similar to those de- 

 scribed in Ch. haswelli. They cor- 

 respond fairly closely with the posi- 



Figs. 54, 55.— ^V ttnax, 9 * Fig. 56. X. tenax, 9 .t 



tion of the setfe, though they are fewer in number, as a rule. 

 They do not appear to communicate directly with the setae, and 



* T.S. through genital region; ( x 630). Fig. 54. — Section through an- 

 terior ovary. Fig. 55. — Section through 9 genital aperture, and uterus, 

 t Posterior end, as seen in longitudinal section; ( x 550). 



