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TURRIDAE 271
brown with a white band bearing about 13 knobs per whorl. Last whorl
with 2 or 3 spiral white bands. Fairly common in shallow water under
rocks. M. albomaculata C. B. Adams is a similar species from the West
Indies and is figured on plate i6{.
Monilispira leucocyma Dall White-knobbed Drillia
South half of Florida and the West Indies.
Figure 57d
% inch in length. One nuclear whorl smooth. Shell dark to light
grayish brown with the nodules white. Aperture dark-brown. A common
shallow-water species.
Genus Inodrillia Bartsch 1943
Subgenus Inodrillara Bartsch 1943
Inodrillia aepynota Dall Tall-spired Turret
North Carolina to northeast Florida.
Figure 57b
^ inch in length; chalk-white to pinkish white. Moderately common
from 63 to 120 fathoms.
Subjamily CONORBIINAE
Shell conoidal; sinus broad and shallow, occupying the width of the
shoulder. Operculum absent in Genota. Radula with 2 slender marginals
only.
Genus Genota H. and .A. Adams 1853
Genota viabrunnea Dall Brown-banded Genota
Southeast Florida and the West Indies.
Figure 57g
1% to 2 inches in length, heavy and thick-shelled. Sculpture of numerous
spiral rows of very fine, glossy beads. Color yellowish to orangish
white with a spiral, suffused band of light-brown well below the suture.
Nucleus dark-brown and with tiny arched, smooth ribs. Anal sinus very
wide. Rare from 100 to 350 fathoms.
Subfamily MANGELIINAE
Shell small, ovate or fusiform, with a short canal and without an oper-
culum. Sinus on shoulder usually very shallow. Radula with 2 slender
marginals.