EXPLANATION OF PLATE VIIL 
Fig. I. — Shelfordia annandalei. Diagrammatic combination figure of an entire 
worm ; dorsal aspect. i6 x . 
Fig. 2. Ditto. Diagrammatic representation of the genital 
end- organs in longitudinal section. 60 x . 
Fig. 3. Ditto. Body-wall in longitudinal section. 300 x. 
Fig. 4. Ditto. Diagrammatic representation of the brain, as 
seen from the dorsal side. 140 x . 
Fig. 5. Ditto. Cross section of body passing slightly in front 
of the dividing point of the ejaculatory duct 
into the seminal canals. 150 x . 
AHBREVIATIONS USED IN THE EXPLANATION OF PLATE. 
an . . 
anterior nerve trunk. 
me . . 
marginal eye-spots. 
av . . 
accessory vesicle of vagina. 
mg . . 
main gut. 
bill . . 
basement membrane. 
n 
nerve. 
br . . 
brain. 
ov 
ovary. 
ce . . 
cerebral eye-spots. 
P 
penis. 
cm', ciii^, cm' 
circular muscles. 
ph .. 
pharj-nx. 
dvm . . 
dorso-ventral muscle. 
pn . . 
posterior nerve trunk. 
ec . . 
egg-canal. 
pr . . 
prostate. 
ed . . 
ejaculatory duct. 
rh 
rhabdite. 
ep . . 
epidermis. 
sc 
seminal canal. 
g • • 
• gut. 
te 
tentacular eye-spots. 
kh . . 
" korner-haufe." 
u 
uterus. 
Im', Im* 
longitudinal muscle. 
un 
unpaired uterine duct 
Ini, l^l^ ln=, In* . 
lateral nerve trunks. 
V 
vaginal passage. 
m . . 
mouth. 
d ■ ■ male genital aperture. 
$ . . . . female genital aperture. 
