21 
18 19 20 
Fig. 18. — Portion of strobila of I). cordatus; note rosette uterus in median line. Natural size. (After 
Leuckart, 1886, 931, fig. 395. ) 
Fig. 19. — Five segments of I), cordatus , showing the form of the uterus. Natural size. (After 
Leuckart, 1886, 931, fig. 396.) 
Fig. 20. — Four young specimens of I). cordatus. Natural size. (After Leuckart, 1886, 939, fig. 401.) 
Genus DIPLOGONOPORUS^ Loennberg, 1892. 
Generic diagnosis. — Dibothriocephalinse (p. 14): Scolex short, with two strong 
groove-like suckers. Neck absent. Proglottids short and broad. In each segment, 
two sets of genital organs, otherwise like Dibothriocephalus. In each segment may 
be recognized: median field, two uterine fields, two lateral fields. Genital pores 
(cirrus, vaginal, uterine) in longitudinal row in uterine field; vitellogene glands 
and testicles in lateral and median fields. Vitellogene follicles between inner and 
outer longitudinal muscles. Uterus forms rosette. Parasites in man and whales. 
Type species . — Diplogonoporus balsenopterse Loennberg, 1892. 
a Synonyms. — Botnmocephctlus ( Diplogonoporus ) Loennberg, 1892; Diplogonoporus 
Loennberg, 1892, (type balsenopterse); Krabbea Blanchard, 1894i (type grandis). 
