THE NEMATODE FAMILY GiXATHOSTOMID^. 



281 



The vagina (text-fig. 29) iucludiug the unpaired portion of the 

 uterus, runs forward for nearly 5 mm. before giving ofi" the two 



Text-fio-ure 29. 



EchiftocepJial us spinosiasimus. 

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



uterine branches. We are unfortunately unahle to describe the 

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

 specimens. 



