No sinus or notch; the valves, thick and gaping, form a lateral opening;
the ears are small, but distinct.
Shell oval, more or less oblique, almost equivalve, with small ears,
regularly gaping at the anterior part of the lower edge; summits
anterior and distant; hinge longitudinal, without teeth; ligament
rounded, almost exterior, inserted in a cavity of each valve; central
muscular impression divided into three very distinct parts.
Lima inflata.
L. squamosa.
L. glacialis.
L. annulata.
L. fragilis.
L. linguatula.
_L. squamosa._ The scaly Lima. Pl. 15, fig. 3.
Answers to the above description, with valves ventricose, armed with
vaulted scales.
_L. fragilis._ The fragile Lima.
Oblong ovate, very pellucid, delicately white, with longitudinal
distinct striæ; lower margin denticulated, closely interlocking when the
valves are closed.