40 
Fig. 64. — Ventral view of Fasciolopsis buskv, enlarged to show 
the anatomy: ac., acetabulum; c., cirrus; L. c., Laurer’s canal; 
m., mouth with oral sucker; or., ovary; p., pharynx; p. p. s., 
prepharyngeal sphincter; shell gland; h. testicles; Mh, ute- 
rus; u.p.jVitellogene glands. X 6. (After Odhner, 1902, fig. 1.) 
final ceca branch immediately 
anterior of ventral acetabulum, 
are narrow and long, extend- 
ing along inner margin of vi- 
tellaria to the posterior end of 
the body, and are not provided 
with secondary branches. Ex- 
cretory system similar to that 
oi Fasciola. Genital pores em-p- 
ty into genital sinus which is 
situated in the ventro-median 
line immediately anterior of 
acetabulum. Copulatory or- 
gans present, the cirrus pouch 
being a long, straight, median 
tube extending caudad to a 
point about half way between 
ventral acetabulum and shell- 
gland. Male organs: Testicles 
in the posterior half of median 
field, side by side, or one 
posterior of the other, both 
branched dicotomously. Fe- 
male organs: Ovary moderately 
developed, branched, located 
at equator, right of median 
line; receptaculum seminis ab- 
sent; Laurer’s canal present; 
vitellaria well developed, with 
very small acini, and extend 
from plane of ventral acetab- 
ulum to caudal pole of body, 
where the acini from the two 
sides may meet in the median 
line; transverse section of body, 
shows acini to be superficial 
both dorsally and ventrally; 
transverse vitello-ducts meet 
in median line of equator to 
form the vitelline reservoir; 
shell-gland compact, well de- 
veloped, globular; uterus ex- 
tends from equator forward, 
with lateral coils, and leads to 
the well-developed metraterni 
at caudal border of acetabu- 
lum. Eggs rather numerous, 
similar in form to those of 
Fasciola. 
Habitat, — Intestine of 
mammals. 
Type species. — Fasciolopsis 
buskii (Lankester, 1857). 
