. Figs. 33-41. Priapocephalusgrandis from Blue Whale. 33, longitudinal section through scolex of immature specimen embed- ded in mucous; 34, cross-section through part of longitudinal muscles; 35, cross-section through part of longitudinal muscles; in segment with rudimentary genital organs; 36, cross-section of longitudinal muscles in mature segment; 37, sagittal section of body showing uterine ducts and openings for discharge of eggs; 38, mode of egg-discharge; 39, cross-section of segment showing uterine pores; 40, cross-section of cirrus-sac and vagina; 41, egg.

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti