12 EARTHWORMS AND THEIR ALLIES [ch. 



xiiith segment opposite to each, and, perforating the 

 septum, opens on to the exterior on the xivth segment. 

 A similar but larger and more folded pair of trumpet- 

 shaped funnels opens in the same way opposite to 

 each spermary. But in this case the two tubes of the 



Fig. 7. A spermatheca of Notiodrilus tamajusi. The external 

 orifice is shown at o; above this are the diverticula, s is a portion 

 of an intersegmental septum. (After Eisen.) 



sperm ducts run backwards for some way and those 

 of each side after joining open on to the xviiith 

 segment by the pores already mentioned. On the 

 xviith and xixth segments open two glands which 

 are long and tubular in form and much coiled. These 

 are the spermiducal glands and each opens in common 



