THE NEMATODE FAMILY GXATJiOSTOMID.E. 



281 



The vtigiiia (text-fig. 29) iiicliiding the unpaired portion of the 

 uterus, runs forward for nearly 5 mm. before giving oft' the two 



Text-figure 29. 



Hcliinocephalm spinosissiiiins. 

 Posterior end of female ; lateral view, showing genital organs. 



uterine branches. We are unfortunately unable to describe tlie 

 ova, none having been seen in a fully-developed condition in our 

 specimens. 



