CLASS GASTROPODA 
163 
Olivella boetica Carpenter, 1863 
Plate 26, figs. 19, 19a and 22, 22a 
Supplementary Report, British Association for the Advancement of Science, 661. 
Narrow, dull, thin; has been erroneously called amazora, tergina , peti- 
olita. (Carpenter.) 
Spire moderately elevated, sharp-pointed, body-whorl oval; red-brown 
or gray, fasciculated upon a white band at the suture; body-whorl macu¬ 
lated or with zigzag markings and sometimes a white central band, fasciole 
white, tip of spire frequently dark-tinted. Length, .75-1 in. (Tryon, Man¬ 
ual of Conchology.) 
Type in Philadelphia Academy of Sciences. Type locality, San Diego, 
California. 
Range. Kodiak Island, Alaska, to Cape San Lucas, Lower California. 
Olivella boetica diegensis T. S. Oldroyd, 1921 
Plate 26, figs. 18, 18a 
Nautilus, 34:118; PI. 5, fig. 2. 
This differs from the typical shells of British Columbia, in the color 
being a light drab, sometimes mottled; not as oval in outline, spire longer 
and running more sharply to a point. Length, 19; breadth, 8 mm. 
(T. S. Oldroyd.) 
Type in Oldroyd Collection, Stanford University. Type locality, Pleis¬ 
tocene, upper San Pedro, California. 
Range. San Pedro to San Diego, California. 
Olivella boetica mexicana T. S. Oldroyd, 1921 
Plate 26, figs. 21, 21a 
Nautilus, 34:118; PI. 5, fig. 3. 
This differs from pcdroana in being smaller, more slender, spire not 
running quite as sharply to a point. Length, 10; breadth, 4 mm. 
(T. S. Oldroyd.) 
Type in Oldroyd Collection, Stanford University. Type locality, Scam- 
mon’s Lagoon, Lower California. 
Range. San Pedro, California, to Scammon’s Lagoon, Lower Cali¬ 
fornia. Fossil: Pleistocene, upper San Pedro Series, San Pedro, California. 
Family MARGINELLIDAE 
Genus MARGINELLA Lamarck, 1799 
Shell ovately oblong to subcylindrical, smooth, polished, sometimes 
longitudinally ribbed; spire short-conical or concealed; aperture narrow, 
[163] 
