TEREBRIDAE 265 



Conus californiciis Hinds Californian Cone 



Farallon Islands, California, to Lower California. 



% to I inch in length. Spire moderately elevated and slightly concave. 

 The shoulders of the shell are rounded, the sides very slightly rounded. The 

 chestnut to pale-brown, velvety periostracum is rather thick. Shell grayish 

 white in color. Interior whitish with a light-brown tint. Rather common in 

 shallow water along certain parts of southern California. 



Fayjiily TEREBRIDAE 

 Genus Terebra Bruguiere 1789 



T ere bra dish cat a Say Common Atlantic Auger 



Plate 26i 



Virginia to Florida, Texas and the West Indies. 



1/4 to 2 inches in length, slender. Whorls with about 25 axial ribs per 

 whorl which are divided % to ^ their length by a deep, impressed, spiral 

 line. Many specimens show prominent, squarish, raised spiral cords between 

 the ribs. Columella with 2 fused spiral folds near the base. Color a dirty, 

 pinkish gray, but sometimes orangish. A common shallow-water species. 



Terebra tanr'wa Solander Flame Auger 



Plate i3h 

 Southeast Florida, the Gulf of Mexico and the West Indies. 



4 to 6 inches in length, heavy, rather slender. Characterized by a cream 

 color with 2 spiral rows of axial, red-brown bars, the upper series being twice 

 as long as the lower one. Upper M'horls faintly and axially ribbed. Upper 

 half of each whorl swollen and with a single incised line. T. flannnea La- 

 marck and T. jeldmajuii Roding are this species. Formerly considered quite 

 rare, but now not infrequently dredged in the Gulf of Mexico. 



Terebra floridana Dall Florida Auger 



Off South Carolina to south Florida. 



2 to 3 inches in length, very long and slender. Color light-yellow to 

 yellowish white. Each whorl has just below the suture a row of about 20 

 oblong, slightly slanting, smooth axial ribs. Below this, and separated from it 

 by an impressed line, is a similar row of much shorter, axial ribs. The lower 

 third of the whorl is marked by 3 or 4 raised, spiral threads only. Columella 

 with a single, strong fold near the bottom. A fairly rare species. 



