85 
Manson’s Larval Tapeworm — SPARGANUM MANSONI l Cobbold, 1882) 
Stiles & Tayler, igo2. 
[Figs. 137 to 143.] 
Specific diagnosis. — Sparganum: Length, 8 to 36 cm.; breadth, 0.1 to 12 mm.; 
thickness, 0.5 to 1.75 mm. Anterior end may be broader than posterior. Flat, 
not segmented, but with irregular transverse folds; ventral surface usually with dis- 
tinct longitudinal median groove; dorsal surface may show tw r o longitudinal grooves. 
Anterior margin rounded, with papilliform elevation, on which is found the head. 
The latter somewhat compressed and more or less invaginated. 
Habitat. — Superitoneal connective tissue and body cavity of man ( Homo sapiens) 
and ? jackals ( Canis aureus). 
Geographic distribution — Amoy and Japan; Daniels reports a similar, perhaps 
identical, form for Guiana, and Sonsino for Egypt. 
138 
Fig. 137 . — Sparganum mansoni. Natural size. (After Cobbold, 1883, fig. a.) 
Fig. 138. — Another specimen of same. Natural size. (After Leuckart, 1886, 942, fig. 402a.) 
Fig. 139. — Head end of same, x 5. (After Leuckart, 1886, 950, fig. 405.) 
a Synonyms. — Ligula mansoni Cobbold in Manson, 1882; Bothriocephalus liguloides 
Leuckart, 1886; B. mansoni (Cobbold, 1882) R. Blanchard, 1888; Legula mansoni 
Cobbold of Huber, 1896a, misprint; Bothriocephalus leguloides Leuckart of Huber, 
1896, misprint; B. Imguloides Leuckart of Simon, 1897, misprint; Dibothrium mansoni 
(Cobbold, 1882) Ariola, 1900; Leguli mansoni Huber of Stiles & Tayler, 1902, misprint. 
Bibliography. — For full bibliography and compilation of cases see Stiles & Tayler, 
1902, 47-56, figs. 29-36. 
