90 
fig’s. 76, 80-83) which extends inward nearly to the middle line. It is 
this organ filled with sperm which appears as the yellow spot, and 
furnished the w^YHQjlavojnmctata of Weinland. AV einland erroneously 
interiDreted this organ as a testis. 
Fig. 85. — Immature proglottids of II. diminuta. Enlarged. (After Stein. 1882, pi. 13, fig. 10.) 
Fig. 86.— Gravid proglottids of II. dimimda. Enlarged. (After Stein, 1882, pi, 13, fig. 11.) 
Near the middle of the segment the >eminal receptacle ends and 
opens into the middle of the oviduct hy a narrow tube (fig. 81). 
87 88 
Fig. 87.— Gravid proglottids of H. diminuta (one sterile). Enlarged. (After Leuckart, 1863, p. 399, 
fig. 117.) 
Fig. 88. — One-half of two fertile joints of II. dimimda, with that of an intervening sterile joint. 
Enlarged. (After Leidy, 1884a, p. 111.) 
The ovary {ov.^ figs. 76, 80, 82) is more or less bilgbed and situated 
in the median part of the proglottis. The oviduct {ovd.. figs. 80, 81) 
leading from the ovaiw runs first forward, is joined by the narrow 
