EXPLANATION OF PLATE XXXIV. 
Hymenolepis nana, Siebold. 
Fic. 1.—Transverse section through the posterior end of the 60th 
segment. X 400. 
2.—Transverse section 24 microns anterior to the above. 
X 400. 
3.—Part of a transverse section 20 microns in front of sec- 
tion 2. XI1050. 
4.—Transverse section 8 microns anterior to section 3. X 400. 
3) 
9? 
5.—Transverse section ‘ microns anterior to section 4. 400. 
6.—Section of the ovary of the 50th segment. 1360. 
3 
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