52 
TESTACELLID^. 
placed at the right side of the head^ while the other 
parts are situated at the posterior extremity of the 
body ; they are nevertheless connected by a long 
slender duct buried in the muscles at the side of the 
foot ; the vent is distinct from the lung.” — Hancock, 
Sub-order II. Geophila. 
Eyes at the apex of elongated cylindrical pe- 
duncles; tentacles cylindrical^ shorter^ and lower 
down than the eye peduncle, sometimes very small 
or wanting; the two orifices of the organs of ge- 
neration confounded in the same external orifice ; 
operculum none. Terrestrial. 
Sub-division 1. Lumbricivora . — -Mouth proboscis- 
shaped; jaws none; teeth numerous, slender, 
conical, pinlike, distant (fig. 14.) ; head, tentacles, 
Fig. 14. 
and eye peduncle retractile under the skin. Car- 
nivorous, worm-eating. 
Earn. 2. TESTACELLID^. 
Foot without any subcaudal gland ; teeth slender; 
