258 



Mr. A. J. Hesse on the 



I was able, by exaniinlncr several transverse sections, to con- 

 struct a transverse section representing tbe position of the 

 genitalia. In the tigure the frenifal pore and ovary are, of 

 course, not in the same plane, but put in for convenience* 

 sake (tig. 3). 



Ficr. 4. 



Uterus 

 (fu// of eggs). 



Dorset/ 



Genital ,,} , 



por^. ^^^^^^^ 

 '^ pore. 





0\^aries. 



Ventral 

 side. 



Fip. 5. 



Lateral 

 canal. 



Testes. 



Uterus 

 (with eggs). 



Oi/ary. 



ro/k 

 S lands, 



Co/'/s o/" 

 va^/na 4 oi//'duct 



Genital 

 pore. 



Testicles. — The testes were found to be distributed in the 

 lateral regions of tiie segments, and more or less dorsally. I 

 was not able to trace any ducts. 



Ovary. — In every case the ovary was found to be situated 

 at the posterior margin of each segment. It occupied a 



