Report on the zoological collections made in the Indo-Pacific Ocean ...

MOLLTJSCA. .497Darros Island, Amirantes.40. Sistrum ricinus, Linne.41. Coralliophila madreporarum, Sowerhy.Etoile Island, Amirantes, and Seychellc Islands, in 4-13 fms.42, Coralliophila amirantium. (Plate XLIV. fig. M.)Shell minute, pyramidally ovate-fusiform, pale pinkish yellow.Whorls 8 ; three apical convex, smooth, the rest also convex, dividedby a deep suture, longitudinally ribbed and transversely ridged.Costfe somewhat oblique, rounded, broader than the interstices,about twelve in number on the penultimate volution, rather obsoletetowards the lower part of the last. Spiral liroe well raised,squamose, generally four in number on the upper whorls, aud abouteleven on the last, alternating with more slender ones in the interstices.Last whorl rounded above, contracted below the middle,with a conspicuous scaled ridge around the cauda. Aperture lightjiink, ovate-subpyriform, contracted anteriorly intp a narrow, oblique,short, recurved caual. Columella subperpendicular, very littlearcuated, coated with a thin pinkish callus. Outer lip not muchthickened, crenulated at the edge, and armed within with aboutten fine lirse, which run far within the aperture, but do not reachthe margin of the labrum. Length 11^ millim., greatest width 6i.Marie-Louise, African, and Eagle Islands, Amirantes, 10 to17 fms.This species belongs to the same genus as another form describedby myself as Fiisus ? ahnormis. On further consideration I am ofopinion that they would be more correctly placed in the genusCoralUopliila. The present species is smaller and more coarselysculptured than C. abnormis from the Andamans.43. Leptoconchus rostratus.Magilus rostratus, A. Adams ;Soiverhy, Conch. Icon. vol. xviii.figs. 15 rt, h.Darros Island, Amirantes, in 22 fms. ;bottom broken coral.44. Pasciolaria filamentosa, Lamarck.Darros Island, on the shore.45. Latirus (Peristernia) nassatula, Lamarclc.Seychelles, 4-12 fms.46. Oliva episcopalis, Lamarel:Glorioso Islands.2k