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252 American Seash ells<br />

Cancellaria reticulata Linne<br />

Family CANCELLARllDAE<br />

Genus Cancellaria Lamarck 1799<br />

North Carolina to both sides of Florida.<br />

Common Nutmeg<br />

Plate 13k<br />

I to I % inches in length, strong, with numerous spiral rows of small,<br />

poorly shaped beads which, with the weak axial and spiral threads, give a<br />

reticulate appearance. Columella with 2 folds, the uppermost being very-<br />

strong and furrowed by i or 2 smaller ridges. Color cream to gray with<br />

heavy, broken bands and maculations of dark orange-brown. Rarely all<br />

white. Common in shallow water to several fathoms. C. conradiana Dall is<br />

probably only a form of this species.<br />

The subspecies adelae Pilsbry from the Lower Florida Keys is smooth-<br />

ish, except for incised lines on the body whorl. The aperture is faintly<br />

flushed with pink. Uncommon. (Adele's Nutmeg).<br />

Figure 55. Cancellarid Shells, a, Admete conthotiyi Jay (Atlantic and Pacific;<br />

% inch); b, CaJicellaria craivfordicma Dall (California; 1% inches); c, Narona<br />

cooperi Gabb (California; 2 inches); d, Trigonostoma tenenim Philippi (Florida;<br />

% inch).<br />

Subgenus Massy la H. and A. Adams 1854<br />

Cancellaria craivfordiana Dall Crawford's Nutmeg<br />

Bodega to San Diego, California.<br />

Figure 55b<br />

I to 2 inches in length, heavy, white in color, but covered with a thick,<br />

rather fuzzy, gray-brown periostracum. Aperture enamel-white. Uncommon<br />

from 16 to 204 fathoms.

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