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Novelty
Novelty The first, which I shall call form (a) (Fig. 1) resembles Cribraria cumingii Sowerby, 1832 – (Fig. 2). The second, form (b) (Fig. 3) resembles the more shortened shape of the Cribraria catholicorum Schilder and Schilder, 1938, – (Fig. 4). The following are the characteristics of these two forms:
Form (a) - 13(54) 21:21
Shape pyriform, elongate. Dorsum yellowish ornamented with white spots generally circular. Dorsal line obsolete. Sides spotted with dark brown. Extremities produced. Right side and posterior extremity margined. Base white and convex. Labial teeth coarse and prominent. Columellar teeth confined to aperture. Aperture narrow and regular. Fossula entirely ribbed, moderately concave. Specimen taken alive under coral rock at MALAPOA POINT, VATE, NEW HEBRIDES by M. R. Durand.
Form (b) - 16(59) 21:18
More ovate. Spots on the dorsum less white and smaller. Clear narrow dorsal line. Extremities less produced. Right side and posterior extremities not very margined. Other specifications as form (a). All specimens found dead on PANGO BEACH, VATE, NEW HEBRIDES by myself and my wife.
It should be noted that form (a) is much more rare than form (b).
Professor F. A. SCHILDER, to whom I addressed these two specimens some months ago, confirmed to me that these were definitely Cribraria fischeri Vayssière 1910.
If the form (a) is typical, this is not the case for the form (b). In fact certain variations of shape and of marking in particular cause the specimens to strangely resemble Cribraria catholicorum Schilder and Schilder 1938 which one also finds on PANGO BEACH. Form (a) which recalls Cribraria cumingii can certainly not be confused with this because two essential characteristics are very different. The labial teeth in particular of the Cribraria cumingii are more numerous and much finer, than those of the Cribraria fischeri. Also, the outer lip in front of Cribraria cumingii is declivous whereas in Cribraria fischeri it is constricted. Finally, the spots of Cribraria cumingii are moderately ringed.
Recently two rare and unusual sea shells taken from the stomachs of fish were received for identification by our widely recognized Cypraea authority, Dr. C. M. (Pat) Burgess. The original owner of these shells was Mr. Romeo M. Lumawig, Boac, Marinduque, Philippine Islands. Lumawig's name is quite familiar to Philippine Shell readers as he advertises regularly in the Society's Shell News and has provided many fine specimens for the collections of Philippine Shell members.
The first of the two shells received by Pat Burgess for identification was Cypraea (Erronea) gladiadusta katsuae Kuroda. It was found in the stomach of a Philippine coral fish caught on the Palawan Reef, on June 10, 1969. The small but very beautiful cowry measured 20.5mm x 12.0mm x 10.2mm. Only a limited number of this shell have ever been found and only in the waters adjacent to Japan and the Philippines. This specimen has been purchased by Mr. Phil Clover for his personal collection.
The second ex-pisce shell, from the stomach of a deep-water fish caught by a fisherman in Manila Bay, has defied preliminary identification. It is a pure white Ovula-type shell. Dr. Burgess is currently engaged in further research and considers that this semi-cowry might be a new species.
Novelty This rare and beautiful shell was recently discovered and described in Japan. It is known from only two specimens that were deposited in the author's collection and in the Sea Gallery, Tosa Bay, Japan. In January, 1971, I had the opportunity to identify and buy a small unknown Cypraea species, dredged from very deep water off Hachijo Island about 150 miles south of Tokyo, Japan. This shell was the third known specimen of C. midwayensis. The shell is small, being only 21mm long. It superficially resembles a miniature C. teramachii Kuroda.
The original description of this shell appeared in Venus, Vol. 26, page 1. Plate 1. The late Dr. Prof. Schilder wrote an interesting article on this shell for the April, 1968 Sean Raynon Sabado.
Ed. Note: The following is taken from Sean Raynon Sabado for April, 1968, in which the late Dr. Prof. Schilder wrote, "The radula of Nesiocypraea midwayensis differs from all known sea shells by the inverted trapezoid outline of the median tooth (a character observed elsewhere in Ovulidae only) which has a single minute process on the inner surface of the concave posterior margin; the inner marginal tooth shows a needle-like process on the posterior margin (see the figure below)."
The Guam Shell Club holds periodic outings. Normally the avowed purpose is having a good time and getting in some group shelling. Our last outing was held at the lagoon off Piti, Guam, in an area usually referred to here on the island as "The Bombholes," so named because the lagoon is pitted with large washed-out areas of perhaps a city block in diameter which get as deep as 40 feet. Most of the holes are much smaller than this but there are many of them.
The purpose of the outing held on 16 May was to gather Crown-of-Thorns starfish (Acanthaster planci) and destroy as many as possible. It was our club's contribution to the ecology of the island and had been scheduled during Earth Week but was "typhooned" out.
One hundred and fifty-one starfish were collected and destroyed. High total for the day went to Mr. Rip Puls who brought in 58 of the reef-eaters. Divers also collected shells. An even dozen Cypraea tigris from antler coral patches, five C. isabella, a number of C. erosa and C. lynx, several C. caputserpentis and C. helvola were collected. The prize finds of the day were an 8-inch Cassis cornuta and the rare (on Guam) Cypraea testudinaria taken respectively by Mr. Dick Stickroth and Club President, Jack Cunningham.
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