CLASS GASTROPODA 
279 
Aesopus chrysalloides Carpenter, 1886 
Proceedings of the California Academy of Sciences, 3:223. Arnold, Paleontology of 
San Pedro, California; PI. 5, fig. 8. 
?A. t. parva, eleganter, effusa, marginibus spirae utrinque excurvatis; 
albida, rufofusco concinne punctata seu tincta; interdum striga albida sub- 
suturali, rufofusco tesselata; anfr. nucl. iii. laevibus, haud, tumidis, apice 
declivi; norm. v.t. adolescente planatis, dein tumidioribus, suturis distinctis; 
tota superficie elegantissime tenuiter sulcata, sulcis aequidistantibus, anfr. 
penult circ. xx.; apertura flexuosa subpyriform; canali oblique sinis- 
trorsum truncata, axi quasi umbilicata; labro intus acuto, postice sinuato, 
deorsum quasi tumidiore, intus vii-dentato; columella torta; labio antice 
rugis paucioribus interdum munito. Long., 0.37; long, spir., 0.22; lat., 
0.14 poll. (Carpenter.) 
Shell cylindrically oblong, shining, whorls seven, slightly rounded, 
covered with microscopic spiral lines; yellowish to chocolate; lip scarcely 
thickened and very slightly dentate within. Length, .8 mm. (Tryon, 
Manual of Conchology.) 
Type in State Collection, No. 613. Type locality, San Pedro, Cali¬ 
fornia. 
Range. San Pedro to San Diego, California. Pleistocene: San Pedro 
to San Diego, California. 
Aesopus sanctus Dali, 1919 
Proceedings of the Biological Society of Washington, 32 :250. 
Shell small, light pinkish-brown, with somewhat less than five whorls 
of which one is composed of a globose smooth nucleus; suture distinct, 
the whorls moderately convex, the aperture simple, short, the columella 
smooth, twisted, shorter than the outer lip, the whole surface minutely 
evenly spirally striated. Height, 4.3; of last whorl, 2.0; diameter, 1.6 mm. 
(Dali.) 
Type in United States National Museum, No. 308958. Type locality, 
Todos Santos Bay, Lower California. 
Range. Known only from type locality. 
Aesopus myrmecoon Dali, 1916 
Nautilus, 30:27. 
Nitidella folosa Stearns, being preoccupied, was called Colmnbella 
stearnsi by Tryon, 1883; it is referable to the genus Aesopus. A minute 
species four millimeters long, of a whitish color more or less tinged or 
spotted with brown, almost duplicates Aesopus stearnsi in form and sculp- 
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