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

504 COLLECTIONS FROM THE WESTEEN INDIAN OCEAN.rust-brown colour, being spotted and more irregularly stained withthe same tint below. The two Amirante specimens have the samestyle of markings, but of a greenish colour or green and brownmingled together. Both of these and one of the specimens in theCumingian collection have a distinct zone composed of irregulardark-coloured spots round the middle of the base.87. Turbo tursicus. (Plate XLIV. figs. U-U^.)Eeeve, Conch. Icon. sp. 60; Pldlippi, Conch.-Cab. ed. 2, p. 83, pi. ID.fig. 5.Daros Island; Philippine Islands {Cuming).This beautiful species is well characterized by its style of painting.It is whitish with broad scarlet rays, particularly distinct on thesloping upper surfaces of the whorls ; these are sometimes edgedwith black posteriorly, and the suture is more or less stained withthat colour. The lower part of the body-whorl is for the most partscarlet with a few narrow white streaks (sometimes black-spotted)radiating from the umbilical region. The operculum is white, thick,convex, and granose externally.88. Turbo (Marmorostoma) coronatus.Turbo coronatus, Gmelin, PhiUppi, C'oJic/(..-Crt6. ed. 2, p. 23, pi. G.11-13.figs.Zanzibar.This species has also been recorded from the Red Sea, theSeychelles, Madagascar, Natal, Malacca, Cochin China, and theMoluccas.89. Phasianella zethiopica, PkUippi.Bird Island, Seychelles, on the beach.90. Trocbus (Gibbula)? amirantium. (Plate XLIV. figs. V.-V.)Shell small, subglobose, perforate, spirally finely lirate and sulcate,white, the lirse being interruptedly pink. Whorls 4-5, convex,rapidly increasing ; last whorl rounded at the periphery, liratethroughout, the lirae being rather narrower than the interveninggrooves and crossed by the lines of growth. Aperture circular,occupying more than half the total height of the shell. Columellaarcuate, white, covered with a callus, which is considerably refiexedespecially at the lower part. Height 4 millim., greatest diameter4^ millim.Etoile Island, Amirantes, in 13 fms.The distinguishing feature of this little species is the refiexedcharacter of the columella. I have not the operculum, and cojisequcntlyam in doubt respecting the true generic position.