1898 - 99 .] Dr 0. Fuhrmann on Prosthecocotyle torulosa. 651 
EXPLANATION OF THE PLATE. 
ml. longitudinal muscles. 
mt. transverse muscles. 
md. dorso-ventral muscles. 
nl. longitudinal nerve. 
ex.v. ventral canal. 
ex.d. dorsal canal. 
gel. genital cloaca. 
me. male dorsal canal. 
mjp. male papilla. 
cp. cirrus pouch. 
c. cirrus. 
v.d. vas deferens. 
t. testicle. 
v. vagina. 
rs. receptaculum seminis. 
ovd. oviduct. 
cu. canal of the uterus. 
s. shell- gland. 
vitd. vitelloduct. 
o. ovary. 
mf. muscular funnel. 
v. vitelligenous gland. 
ut. uterus. 
All the figures are drawn with Abbe’s drawing apparatus. 
Prosthecocotyle torulosa (Linstow). 
Fig. 1. Head of P. torulosa. 
Figs. 2, 3. Transverse sections of half of segment. 
Prosthecocotyle heteroclita (Dies.). 
Fig. 4. Head of P. heteroclita. 
Fig. 5. Young segment. 
Fig. 6. Horizontal section of segment. 
Fig. 7. Transverse section of segment. 
Fig. 8. Sagittal section in the median plane of segment. 
