252 



American Se ash ells 



Family CAN CELL ARllDAE 

 Genus Cancellaria Lamarck 1799 



Cancellaria reticulata Linne 



North Carolina to both sides of Florida. 



Common Nutmeg 

 Plate 13k 



I to I % inches in length, strong, with numerous spiral rows of small, 

 poorly shaped beads which, with the weak axial and spiral threads, give a 

 reticulate appearance. Columella with 2 folds, the uppermost being very- 

 strong and furrowed by i or 2 smaller ridges. Color cream to gray with 

 heavy, broken bands and maculations of dark orange-brown. Rarely all 

 white. Common in shallow water to several fathoms. C. conradiana Dall is 

 probably only a form of this species. 



The subspecies adelae Pilsbry from the Lower Florida Keys is smooth- 

 ish, except for incised lines on the body whorl. The aperture is faintly 

 flushed with pink. Uncommon. (Adele's Nutmeg). 



Figure 55. Cancellarid Shells, a, Admete conthotiyi Jay (Atlantic and Pacific; 

 % inch); b, CaJicellaria craivfordicma Dall (California; 1% inches); c, Narona 

 cooperi Gabb (California; 2 inches); d, Trigonostoma tenenim Philippi (Florida; 



% inch). 



Subgenus Massy la H. and A. Adams 1854 

 Cancellaria craivfordiana Dall Crawford's Nutmeg 



Figure 55b 



Bodega to San Diego, California. 



I to 2 inches in length, heavy, white in color, but covered with a thick, 

 rather fuzzy, gray-brown periostracum. Aperture enamel-white. Uncom- 

 mon from 16 to 204 fathoms. 



