164 GLOSSARY. 
Amphipéplea, enfolded around with a mantle. 
_-Ampulldceous, shaped like a flask or bottle. 
_ Gnatina, belonging to ducks. 
_Ancylus, a hook. 
dénglica, English. 
angusta, narrow. 
angustior, narrower. 
_Anodonta, toothless. 
antértor, the front; applied in bivalves to the end where 
the mouth of the mollusk is situated; the large or 
blunt end. (The Pészdia have the anterior pointed.) 
_antiqua, ancient. 
dntivertigo, not reversed. 
_-dpex, the extreme point of the spire of a univalve. 
aquatic, inhabiting water. 
arenicola, inhabitant of sandy places. 
__drborum, inhabiting trees. 
arbustorum, inhabiting copses. 
Arion, a fabled musician. 
-articuldéta, jointed. 
_aspérsa, spotted, sprinkled. 
dir, black: 
_Gtro-purpirea, dark purple. 
_Aurantiaca, golden hued. 
auriculéria, ear-shaped. 
axis, applied to univalve shells, the centre column formed 
by the junction of the whorls. 
