Page 78 THE FESTIVUS Vol. XXXIX: Supplement Plate 4 Figure 1 Ostrea sp. 1. Île Clipperton, (10°18’41”N, 109°12’34”W), live, on dead coral sp., 8-11 m (26-36 ft), H 2 O 84°F, leg. K.L. Kaiser (ICF-2-94), diving from M/V Royal Star, 14 Apr.1994. KLK Coll. 201298. Size: 20.0 mm. Photograph by P. Sadeghian. Figures 2a, 2b Ostrea sp. 1. Île Clipperton, (10°17.282’ N,109°12.025’ W) SE side, live, SCUBA, 10-20 m (33-66 ft), reef slopes, dead coral rubble, diving from M/V Royal Star, H 2 O 83-84°F, leg. H.W. Chaney, 17-26 Apr. 1994. SBMNH 353520. Photographs by P. Sadeghian. Figures 3a, 3b, 3c Ostrea sp. 2. Île Clipperton, (10°17’04”N, 109°12’46”W) S-SE corner, empty shell on coral, under dead coral heads, 12-31 m (40-100 ft), H 2 O 84°F, leg. K.L. Kaiser (ICF-6-98), R/V Urracá, 21 Apr. 1998. KLK Coll. 201304. Size: 21.6 mm. Photographs by P. Sadeghian. Figures 4a, 4b, 4c Ostrea sp. 3. Île Clipperton, (10°19’09”N, 109°13’08”W), live, attached to turnable dead coral, 12-15 m (40-50 ft), H 2 O 83°F, leg. K.L. Kaiser (ICF-20-94), diving from M/V Royal Star, 20 Apr.1994. KLK Coll. 201308. Size: 31.5 mm. Photographs by P. Sadeghian. Figures 5a, 5b Hyotissa hyotis (Linnaeus, 1758). Île Clipperton, (10°17’35”N, 109°12’01”W) E end center, live, attached to live coral, 38 m (125 ft), H 2 O 84°F, leg. K.L. Kaiser (ICF-16-98), diving from R/V Urracá, 4 May 1998. KLK Coll. 201405. Size: 220.0 mm. Photographs by P. Sadeghian. Figure 6a Parahyotissa quercina (Sowerby, 1871). Île Clipperton, (10°17.282’N,109°12.025’W) SE side, live, SCUBA, 5 m (16 ft), reef slopes, dead coral rubble, diving from M/V Royal Star, H 2 O 83-84°F, leg. H.W. Chaney, 17 Apr. 1994. SBMNH 80361. Photograph by P. Sadeghian. Figure 6b Parahyotissa quercina (Sowerby, 1871). Île Clipperton, (10°18’08”N, 109°14’06”W), live, attached to underside of coral on slope, 12-15 m (40-50 ft), H 2 O 83°F, leg. K.L. Kaiser (ICF-21-94), diving from M/V Royal Star, 20 Apr. 1994. KLK Coll. 201296. Size: 49.4 mm. Photograph by P. Sadeghian.
Vol. XXXIX: Supplement THE FESTIVUS Page 79 4a 3c 5a 1 2a 4b 4c Plate 4 2b 5b 3b 6a 3c 6b 3a