248 



DR. P. E. BEDDARD ON 



on the other hand, the individual glands are connected into a 

 more continuous mass. This is shown in the accompanying 

 figure (text-fig. 48). 



Text-fiff. 48. 



View of an entire proglottid of Solenotceuia vipevis stained and mounted 

 as a transparent object. 



S , opening of cirrus-sac ; $ , opening of vagina. 



Ovary, u. Uterus showing open groove on surface of body and irregularly paired 

 diverticula, v.gl. posterior region of vitelline gland, which is of greater 

 diameter than the anterior region and which gives oft' one or two processes 

 towards the middle line of the body, v.gl.' Anterior thinner region of the 

 vitelline gland. 



The same text-figure also shows a peculiarity which is ap- 

 parently, at least, not universal among these tapeworms. 

 Towards the posterior end of the proglottid the marginal strip 

 of vitelline gland gives ofl^ one or two processes of vitelline tissue 

 which pass to the interior of the proglottid in the direction of the 



