Page:American Seashells (1954).djvu/353

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 Figure 57d South half of Florida and the West Indies. % 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 Figure 57b North Carolina to northeast Florida. ^ 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 Figure 57g Southeast Florida and the West Indies. 1% to 2 inches in length, heavy and thick-shelled. Sculpture of nu- merous 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.