98 



HYMENOLEPIS DIMINUTA (Rudolphi, 1819) R. Blanchard, 1891. 



[Figs. 25 to 30.] 



SPECIFIC DIAGNOSIS. Hymenolepis: Strobila 10 to 60 millimeters in length, 2.5 to 4 

 millimeters in maximum breadth; composed of 800 to 1,300 segments. Head small, 

 almost globular; 200 to 600/x in width; rostellum rudimentary, pyriform, only slightly 



FIG. 26. Head and ante- 

 rior portion of H. dimi- 

 nuta from the rat. En- 

 larged. (After Zschokke, 

 1889, pi. 1, fig. 21.) 



FIG. 25. Strobila of Hymenolepis diminuta. 

 Natural size. (After Grassi, 1881, pi. 11, fig. 1.) 



SYNONYMS. Tsenia diminuta Rudolphi, 1819; T. leptocephala Crepliii, 1825; 

 Hymenolepis flavopunctata Weinland, 1858; Tsenia (Hymenolepis) Jlavopunctata Wein- 



