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HALIOTIDAE 93
holes are open. Fished commercially below 20 feet, especially between Mon-
terey and Point Conception. The legal minimum size for sportsmen is 7
inches, and the catch is limited to 5 specimens per person per day. This is
a popular food and, when polished on the outside, makes an attractive mantel
piece.
Haliotis corrugata Gray Pink Abalone
Monterey, California, to Lower California.
Plate 2C
5 to 7 inches in length, almost round, fairly deep, with a scalloped edge
and strong corrugations on the outer surface. 3 to 4 large tubular holes are
open. Exterior dull-green to reddish brown. Interior brilliant iridescent. The
variety diegoensis Orcutt is the same. Abundant in its southern range. The
legal minimum collecting size is 6 inches.
Haliotis fulgens Philippi Green Abalone
Farallon Islands, California, to the Gulf of California.
Plate 2b
7 to 8 inches in length, almost round, moderately deep, and sculptured
with 30 or 40 raised, coarse spiral threads. Exterior dull reddish brown;
interior iridescent blues and greens. 5 to 6 holes are open. Fished commercially
in southern California. The legal minimum size is 6^ inches. H.
splendens Reeve, H. revea Bartsch, and H. turveri Bartsch are the same spe-
cies in all likelihood.
Haliotis walallefisis Stearns Northern Green Abalone
Westport, Washington, to Point Conception, California.
4 to 5 inches in length, elongate, flattened, with numerous spiral threads.
Exterior dark brick-red, mottled with pale bluish green. 5 to 6 holes are
open, and their edges are not elevated. This is a small, relatively scarce
species.
Haliotis assimilis Dall Threaded Abalone
Farallon Islands to San Diego, CaHfomia.
Plate 2d
4 to 5 inches in length, oval, fairly deep, with weak corrugations and
weak to strong spiral threads. 4 to 5 holes open, tubular. Outer color mottled
with brick-red, greenish blue and gray. H. aiilaea Bartsch is a little more
corrugated than usual, and it may be this species. H. smithsont Bartsch and
H. sorenseni Bartsch appear to be giant specimens of assimilis Dall.