598 



DR. F. E. BEDDAHD ON 



characters of the vaginal complex. The above description of 

 that of " Davainea struthionis " I'elates to not fully mature pro- 

 glottids. In fully mature proglottids the conditions observable 

 are a little changed. 



The female duct (see text-fig. 5) from the i-eceptaculum seminis 



Text-figure 5. 





v.d. 



r,6. 



Part of tr<in.sverse section through uearlj' ripe proglottid. 



r.s. Receptaculum seminis. v., vi. Proximal and distal ends of vagina. 

 v.d. Vas deferens. 



to its median end is gorged with sperm, and thus presents the 

 appearance of an elongated receptaculum such as that referred 

 to above in Davainea corvlna. And, moreover, there is this 

 further resemblance, that the vagina is pressed by its increasing 



