Page:American Seashells (1954).djvu/347

Rh 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.