Page 118 THE FESTIVUS Vol. XXXIX: Supplement Plate 24 Figures 1a, 1b Monetaria caputserpentis caputserpentis (Linneaus, 1758). Île Clipperton, (10°17’16”N, 109°12’45”W) SE corner, worn beach deposit, leg. K.L. Kaiser (ICF-12-98), R/V Urracá, 28 Apr. 1998. KLK Coll. 200793. Size: 35.5 mm. Specimen decorticated. Photographs by P. Sadeghian. Figures 2a, 2b Monetaria caputserpentis caputserpentis (Linneaus, 1758). Isla del Coco, Costa Rica, Bahía Wafer, live, on underside of rock, upper intertidal (low tide), leg. K.L. Kaiser, M/S Victoria af Carlstad, 27 April 1986. KLK Coll. Size: 34.1 mm. Photographs by P. Sadeghian. Figures 3a, 3b Monetaria moneta (Linneaus, 1758). Île Clipperton, (10°17’16”N, 109°12’45”W) SE corner, worn beach deposit, intertidal, PM low tide, leg. K.L. Kaiser (ICF-12-98), R/V Urracá, 28 Apr. 1998. KLK Coll. 200813. Size: 29.5 mm. Specimen quite worn. Photographs by P. Sadeghian. Figures 4a, 4b Monetaria moneta Linneaus, 1758). Isla del Coco, Costa Rica, Bahía Chatham, live, on underside of rock, intertidal (low tide), leg. K.L. Kaiser, M/S Victoria af Carlstad, 20 May 1985. KLK Coll. Size: 28.0 mm. Photographs by P. Sadeghian. Figures 5a, 5b Erosaria helvola helvola (Linnaeus, 1758). Île Clipperton, (10°17.282’N, 109°12.025’W) SE corner, SCUBA, 10-20 m (33-66 ft), reef slopes, dead coral rubble, H 2 O 83-84°F, leg. H.W. Chaney, diving from M/V Royal Star, 17-26 Apr.1994. SBMNH 353521. Size: 26.4 mm. Specimen quite worn. Photographs by P. Sadeghian. Figures 6a, 6b Erosaria helvola helvola (Linnaeus, 1758). Marshall Islands, Enewetok lagoon, 1-3 m (3-10 ft), sand and rubble, April 1967. SBMNH 5055. Size: 25.6 mm. Photographs by P. Sadeghian. Figures 7a, 7b Erosaria albuginosa (Gray, 1825). Île Clipperton, (10°19’03”N, 109°13’59”W) W-NW side, live, underside of dead coral head, 15-18 m (50-58 ft), H 2 O 84°F, leg. K.L. Kaiser (ICF-8-98), diving from R/V Urracá, 21 Apr. 1998. KLK Coll. 200791. Size: 24.4 mm. Photographs by P. Sadeghian.
Vol. XXXIX: Supplement THE FESTIVUS Page 119 1a 1b 3a 5a 3b 4a 4b Plate 24 2a 5b 6a 6b 7a 7b 2b