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120 American Seashells
Tegiila aureotincta Forbes Gilded Tegula
Southern third of California to Mexico.
Plate 1 8k
% to I inch in length, heavy; dark grayish to gray-green; characterized
by a golden-yellow stain within the deep, round, narrow umbilicus, by the
sky-blue band around the umbilicus, and by the 4 or 5 strong, smoothish, spiral
cords on the periphery and the base. Top of whorls with weak, crude, slant-
ing, axial wrinkles. A moderately common, littoral, rock-loving species.
Tegula ligulata Menke Western Banded Tegula
Monterey, California, to Acapulco, Mexico.
Plate i8h
% inch in length, heavy; whorls and spire convex. Umbilicus very deep,
round and fairly narrow. Whorls with numerous, beaded, spiral cords. Outer
lip sharp, but thickened and pearly within. Lower part of lip with about 8
small nodules opposite the spiral threads which run back into the aperture.
Color rusty-brown with black flecks. Compare with aureotincta whose um-
bilical area is stained with greenish blue and golden-yellow. A moderately
common littoral, rock-dweller.
Subgenus Chlorostoma Swainson 1840
Tegula regina Stearns Queen Tegula
Catalina Island to the Gulf of California.
Plate 3f
I /4 inches in length, slightly wider; 6 to 7 whorls, spire flat-sided; base
slightly concave. With numerous slanting, small, axial cords. The crenulated
periphery slightly overhangs the suture of the whorls below. Base with
strong, arched lamellae. Color dark purplish gray. Umbilical region stained
with bright golden-yellow. A rather rare and choice collector's item secured
by diving. It has also been washed ashore on Catalina Island.
Subgenus Froviartynia Dall 1909
Tegula pulligo Gmelin 1791 {marcida Gould) Dusky Tegula
Alaska to Santa Barbara, California.
Plate i8y
I to 1/4 inches in length, slightly wider. Resembles brumiea, but has
a deep, round umbilicus and a thin, rather sharp columella. It is also very
similar to nwntereyi, but its whorls are more rounded and its umbilicus is
more smoothly rounded and without the white color and faint spiral ridges
found in montereyi. This species is doubtfully placed here and perhaps