AMPHORA CRASSA GREG.
Valve linear-elliptical, with obtuse, incurved ends. Median line biarcuate. Axial and central areas indistinct on the dorsal side; striæ coarsely punctate, interrupted by a longitudinal line on the dorsal side.
Along the coast.
Pl. [15], Fig. 3.
AMPHORA AREOLATA GRUN.
Valve with straight ventral margin; median line straight, approximate to the ventral margin; axial area indistinct; several longitudinal lines crossed by apparent costæ which alternate with rows of fine puncta.
Blue clay. Rare.
Pl. [15], Fig. 11.
Halamphora
AMPHORA COFFÆIFORMIS (AG.) KUETZ.