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 



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. 



