BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 27. AFD. IT. N:0 6. 15 



The efferent duct and the germinal cord. 



The efferent duct of the reproductive organ is in the 

 closest counection with the singular ribbon-like formation 

 which I call "germinal cord" and which, in its turn, opens into 

 the genital basis. As far as I have been able to discover, 

 this cord has escaped the attention of previous investigators 



Vertical section through the dorsal mesentery in front of the genital basis. 

 A, efferent duct of the genital organ: B, genital sinus of Semper; C, "Neben- 

 schlundsinns" of Semper; D, lacunar-blood cord; in. dorsal mesentery: x, ger- 

 minal cord with its eanals within the left wall of the duct. Highly magniiied. 



The efferent duet^ resembles a band compressed at the 

 sides, and runs in a rather straight direction forwards to 



^ Comp. the wood-cut on page 7. 



