Otidea

Platyostoma plebeium.
3 Plate 28, Figs. 14, 15.
Platyostomaplebia&H.A.x.ij. Doc. Edit.'28th Rep. St. Mus. Nat. Hist. Explanation
of pi. 28, figs. 14, 15. 1876.'
Shell dextral, conical; volutions four, very convex, gradu-
oiio very vt/jiiiiuuoo ,	^
outer volution to an elevation of one-fifth or one-fourth tne*
height of the shell above.
A TlftX minnt.fi. snmpwTi^.t ?m.'nirllv fiTnan rii n ir. tile first fW O '?
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