41 
Busk’s Intestinal Fluke — FASCIOLOPSIS BUSKII« ( Lankester, 1857) Stiles, 
1901 — of Man. 
[Figs. 63 to 66.] 
Specific diagnosis. — Fasciolopsis: 24 to 37 mm. (75 mm. after Busk) long, 5.5 to 
^Synonyms. — Distoma buskii Lankester, 1857; Dicrocoelium buskii (Lankester) 
Weinlancl, 1858; Distoma crassuvi Cobbold, 1860 (not von Siebold, 1837); Distomum 
crassum (Cobbold) Leuckart, 1863; Distomum hepaticum^’ of Leidy, 1873, p. .364; 
Distoma buski Blanchard, 1888; Dicrocoelium buski Blanchard 1888; ^‘Distorna {Dicro- 
coelium) buskV’ of Railliet, 1893; Distomum buski (Blanchard) Braun, 1895; Distoma 
cranum Hubei, 1896 (misprint); Fasciolopsis buskii (Lankester) Stiles, 1901; Fascio- 
lopsis. buski (Blanchard) Odhner, 1902; Fasciolopis buski (Blanchard) Odhner, 1902. 
Bibliography. — ^Cobbold, 1879, pp. 20-29. For more recent technical discussion 
with historical review, see Odhner, 1902, pp. 573-581. 
Fig. 65.— Sagittal section of cephalic end of Fasciolopsis buskii, slightly to the right of the median 
line: d. e., ductus ejaculatorius; g. p. m., male genital pore; p. pr., pars prostatica; v. s., vesicula 
seminalis; other letters same as in fig. 64. x 35. (After Odhner, 1902, fig. 2.) 
12 or 14 mm. broad, 1.5 to 2 mm. thick; maximal breadth in equatorial portion; 
