F. D. Weidman 
279 
Fig. 3. Transverse section to show oral evaginations and muscular character of oeso¬ 
phagus. o.ev. oral evagination; o.s. oral sucker; oe. oesophagus; ca. caeca; bif. 
bifurcation of oesophagus. 
Fig. 4. Transverse section immediately posterior to oral sucker, o.s. oral sucker; 
c.p. cirrus pouch; ci. cirrus; t.t. testicular branches; v.d.i. vas deferens interna; 
ut. uterus; v.d.e. vas deferens externa; ca. caeca. 
Fig. 5. Transverse section cut close to Fig. 2, more highly magnified. Note absence 
of ova in uterine dilatations. The reticular material therein stains faintly blue 
with haematoxylin and eosin. ca. caeca; ut. 1 dilatation of uterus; ul.- non-dilated 
part. 
Fig. 6. Transverse section through portion of ventral body wall, cut. cuticle; c.m. circular 
muscle; d.m. diagonal muscle; l.m. longitudinal muscle. 
Fig. 7. Transverse section through oesophagus cut close to Fig. 3 and more highly 
magnified, sph. oesophageal sphincter; oe. oesophagus; ph. pharynx. 
