% inch in length, apex bulbous. Characterized by its translucent shell with numerous, long, wavy, axial flammules of reddish brown on the sides of the whorls. Dredged from 115 to 144 fathoms. Named for Hilary B. Moore of the University of Miami, Florida. Olivella floralia Duclos Common Rice Olive North Carolina to both sides of Florida and the West Indies. % to /4 inch in length, slender, fusiform and with a sharp apex. Color all white, but often with a dull bluish undertone. Apex white, orange or dull purplish. Columella with numerous, very small folds. Common in shal- low water. Olivella baetica Carpenter Beatic Dwarf Olive Plate 2oq Kodiak Island, Alaska, to Lower Cahfornia. % to % inch in length, moderately elongate, rather light-shelled, glossy, and colored a drab-tan with weak purplish brown maculations often arranged in axial flammules which may be more pronounced near the suture. Columellar callus weakly developed, the lower end with a double-ridged spiral fold. Fasciole white, often stained with brown. Early whorls usually purplish blue. O. porteri Dall is the same. Olivella pedroana Conrad San Pedro Dwarf Olive Oregon to Lower California. % to ^ inch in length, resembhng O. baetica, but much heavier, much stouter, with a heavy callus, and colored light-buff to clouded, brownish gray with long, distinct, axial, zigzag stripes of darker brown. Fasciole and callus always white. The lowest columellar spiral ridge is single or rarely double. Moderately common from i to 15 fathoms. O. pycna Berry is the same, and matches the neotype designated by Woodring in 1946. O. intorta Carpenter is also this species. Subgenus Callianax H. and A. Adams 1853 Olivella biplic ata SowcThy Purple Dwarf Olive Plate i2i Vancouver Island to Lower California. I to I M inches in length, globular to elongate, quite heavy. Upper colu- mella wall with a heavy, low, white callus. Lower end of columella with a
Page:American Seashells (1954).djvu/329
This page needs to be proofread.
OLIVIDAE
247
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/American_Seashells_%281954%29.djvu/page329-1024px-American_Seashells_%281954%29.djvu.jpg)