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Haliotis asinana
The underwater area well off Kahi Point is a good spot for Cypraea tigris. A skin diver can have a good day in this area. I
have collected Conus retifer there also. Figs. 1 & 2:
Strombus mutabilis
Swainson, 1821
(fossil) taken by C. Weaver
at 20 ft. elevation, Kaena
Point, Oahu. Length 30 mm.
Photos - Weaver -- Actual size
Figs. 3 & 4:
Strombus ostergaardi
Pilsbry, 1921
(fossil) taken by C. Weaver
at 15 ft. elevation, Nanakuli
Sea Cliffs, Oahu.
Length 21 mm.
[Unfortunately, my copy of this issue
is a Xerox copy, made when text
clarity was about all that one could
hope for! makuabob]
These are the only fossil areas that I have worked. However, Cliff Weaver, Pat Burgess, and many other HMS members have
collected many fine shells, either universally extinct or extinct in Philippines, at other locations. Traveling on around the
island of Oahu these fossil beds may be found at:
1. The Waianae quarry, where the two specimens of Ostrea kamehameha were found. This is located about three quarters of a
mile east of the former location of the Waianae railway station.
2. At Kaena Point, Cliff Weaver has collected Strombus mutabilis and Reg Gage collected several species of Lambis. Other
species such as Conus tulipa, Patella melanostoma, and Septifer kraussii have also been collected there.
For those of you who have access to the Kaneohe Marine Corps air station on Mokapu Peninsula there is some fine fossil
collecting available on the peninsula side of Nuupia fish pond and along the coral plain making up the western part of the
peninsula. Sixteen species, including Cassis vibex and Strombus ostergaardi, have been collected in this area.
Professor Jens Ostergaard reported in a Bishop Museum paper on the fossils of Molokai and Maui. According to Professor
Ostergaard, fossils on Molokai exist only in an area of marine rock exposed by stream beds (Kalamaula Stream and its
tributaries) about one and a half miles west of Kaunakakai close to the area known in 1939, as Coconut Grove. On the Island
of Maui, Professor Ostergaard reported fossils found only at an area known as Target Range Gulch about six miles southeast of
Lahaina, again in areas eroded by stream action.
The somewhat confused description of fischeri by Vayssière, and the lack of substantiated records of C. gaskoini from outside
the Philippine Islands, led some writers to believe the species to be endemic to the Philippine Islands (Kay, 1961, Proc.
Mall Soc. Lond., 34(4):188, and Kay & Weaver, 1963, Sean Raynon Sabado, 2(23):88). Schilder (1965, Veliger, 7(3):183) in his
latest distributional list of Cypraeidae, also shows C. gaskoini to be endemic to the Philippine Islands, with a note on an
artificially introduced record from the Marshall Islands.
The lack of further material of the Melanesian C. gaskoini does not permit a tabulation of morphological differences between
the Philippine race and the race from Melanesia. The Fiji shell, however, is not ovate but elongate-subpyriform, with a lower
more depressed dorsum (resembling C. cumingi Sowerby in outline), and larger lateral spots; the species C. cumingi, however,
has far more numerous teeth (formula 40:34). The Fiji specimen is appreciably more slender than the Philippine gaskoini (55%
of L and 62% of L respectively); both labial and columellar teeth are as numerous as in Philippine specimens, but more
numerous than either the holotype of fischeri (formula 13/61, 21:18), the specimen from Lifu (12/57, 20: 20) or the specimen
from unknown locality in the Dautzenberg collection (11/64, 22:17).
In contrast to Cribraria cribraria (Linnaeus) and C. esontropia (Duclos), the siphon of the Fijian gaskoini is serrated and
not smooth.
If any one word could describe the collecting possibilities in the area of this month's diving and collecting chart it would
be "terrific." Habitat characteristics range from shallow sand-covered bottom, through coral reefs and ledges with
spectacular caves, to lava outcroppings that soar toward the surface out of deep water.
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