CLASS GASTROPODA 
229 
sculpture of moderately prominent incremental lines; aperture ample, the 
pillar lip blotched with livid pink and white, the pillar twisted, with a solid 
white inner edge and strong siphonal fasciole; canal moderate, slightly 
recurved; outer lip slightly crenulated by the sculpture, sharp, very slightly 
expanded; throat smooth, pinkish; epidermis very thin and translucent, 
closely adherent to the surface; operculum normal, light brown. Length 
of shell (decollate), 100; of last whorl, 80; max. diam., 56 mm. (Dali.) 
Type in United States National Museum, No. 107000. Type locality, 
Station 3489, in Bering Sea, near Pribilof Islands. 
Range. Pribilof Islands, Bering Sea. 
Chrysodomus oncodes Dali, 1907 
Miscellaneous Collections, Smithsonian Institution, 50:155. Bulletin 112, United 
States National Museum; Pi. 9, fig. 8. 
Shell solid, compact, turgid, pale brown, of about six whorls; apex 
defective; whorls rounded, with suture inconspicuous, in front of it slop¬ 
ing gently, with two or three prominent spiral cords separated by wider 
spirally threaded interspaces; the middle of the whorls with three prom¬ 
inent spiral ridges, the base with ten or twelve less prominent spirals, 
all with wider, evenly threaded interspaces; the spiral sculpture crossed 
only by lines or irregularities of growth; the absence of any marked 
shoulder to the whorls is conspicuous; aperture semilunar; outer lip 
moderately thickened, not reflected; pillar and body with a moderate 
layer of callus; the depth of the throat, the outer lip at the margin, 
and the pillar tinged with purplish brown, the rest white; pillar slightly 
tortuous, not pervious; canal very short, wide, slightly recurved, with 
a moderate fasciole. Long, of shell (decollate, leaving four whorls), 104; 
of last whorl, 80; of aperture, 62; max. diam., 60; of aperture, 80 mm. 
(Dali.) 
Type in United States National Museum, No. 111483. Type locality, 
Station 4804, in 229 fathoms, Okhotsk Sea. 
Range. Petrel Bank, Bering Sea; also, the Kuril Islands, 229 fathoms. 
Chrysodomus ithius Dali, 1919 
Plate 25, fig. 4 
Proceedings of the United States National Museum, 14:187; 17; PI. 29, fig. 4, 1894. 
Shell slender, acute with seven rounded whorls, distinct suture, surface 
sculptured only with lines of growth and a pale purple-brownish tint. 
Aperture moderate not flaring, canal short. Length, 70; of aperture, 32; 
breadth, 30 mm. (Dali.) 
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