240 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
bluntly pyriform with a wide mouth, smooth pillar, the outer lip thickened, 
obscurely marginate externally, with about nine obscure distant denticula- 
tions internally; pillar short, twisted, with a flaring edge and almost gyrate 
axis; the body with a thin wash of callus, but, in the type no sign of 
pustulation. Longitude of shell, 15.0; of aperture, 13.5 ; maximum diame¬ 
ter, 10.0 mm. (Dali.) 
Type in United States National Museum. Type locality, United States 
Fish Commission Station 4431, California. 
Range. Off Santa Rosa Island, California, to La Paz, Lower Cali¬ 
fornia. 
Erato columbella Menke, 1847 
Zeitschrift fur Malakozoologie, 4: 183. Tryon, Manual of Conchology, 5: PI. 5, 
fig. 48. 
E. testa turbinato-ovato, laevi, nitida, dorso ventricoso cinerea, extremi- 
tate utraque carneo tincta; spira brevi; labri margine externo incrassato, 
albido, posterius in angulum producto, interno denticulato, columella basi 
obsolete triplicata. Long., ?; lat., 2; alt., 1.5 lin. (Menke.) 
Shell pyriform, yellowish, stained with livid flesh-color, spire very short, 
whorls tumidly globose round the upper part, constricted at the lower, lip 
swollen, somewhat varicose. (Reeve, Conchologia Iconica.) 
Type in? Type locality, Mazatlan, Mexico. 
Range. Monterey, California, to Panama Bay. 
Family PEDICULARIIDAE 
Genus PEDICULARIA Swainson, 1840 
Shell small, limpet-like, irregular, with small, short spire concealed with 
the growth, and a radiately ribbed surface when young; mouth large, lip 
simple, irregular. Operculum none. (Tryon, Structural and Systematic 
Conchology.) 
Type. Pedicularia sicula Swainson. 
Distribution. Europe, Polynesia, California. 
Pedicularia californica Newcomb, 1864 
Plate 31, fig. 15 
Proceedings of the California Academy of Sciences, 3:121. Also 4:322; PI. 1, fig. 9. 
P. testa depressa-globosa, coccinea, minutia transversa striata, supra 
rotundata, infra late aperta; labio expanso, semi-circulare; columella 
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