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OLIVIDAE 247
% inch in length, apex bulbous. Characterized by its translucent shell
with numerous, long, wavy, axial flammules of reddish brown on the sides of
the whorls. Dredged from 115 to 144 fathoms. Named for Hilary B. Moore
of the University of Miami, Florida.
Olivella floralia Duclos Common Rice Olive
North Carolina to both sides of Florida and the West Indies.
% to /4 inch in length, slender, fusiform and with a sharp apex. Color
all white, but often with a dull bluish undertone. Apex white, orange or
dull purplish.
low water.
Columella with numerous, very small folds. Common in shal-
Olivella baetica Carpenter Beatic Dwarf Olive
Kodiak Island, Alaska, to Lower Cahfornia.
Plate 2oq
% to % inch in length, moderately elongate, rather light-shelled, glossy,
and colored a drab-tan with weak purplish brown maculations often arranged
in axial flammules which may be more pronounced near the suture. Columellar
callus weakly developed, the lower end with a double-ridged spiral fold.
Fasciole white, often stained with brown. Early whorls usually purplish
blue. O. porteri Dall is the same.
Olivella pedroana Conrad San Pedro Dwarf Olive
Oregon to Lower California.
% to ^ inch in length, resembhng O. baetica, but much heavier, much
stouter, with a heavy callus, and colored light-buff to clouded, brownish
gray with long, distinct, axial, zigzag stripes of darker brown. Fasciole and
callus always white. The lowest columellar spiral ridge is single or rarely
double. Moderately common from i to 15 fathoms. O. pycna Berry is the
same, and matches the neotype designated by Woodring in 1946. O. intorta
Carpenter is also this species.
Subgenus Callianax H. and A. Adams 1853
Olivella biplicata SowcThy Purple Dwarf Olive
Vancouver Island to Lower California.
Plate i2i
I to I M inches in length, globular to elongate, quite heavy. Upper colu-
mella wall with a heavy, low, white callus. Lower end of columella with a