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Show 818 MR. E. A. SMITH O N MARINE SHELLS [Nov. 5, arranged under one another in oblique and more or less flexuous In other words, the whorls are ornamented with fine oblique or flexuous lines, which are interrupted by numerous spiral sulci, thus producing series of dots. Through the prominence, although slight, of the two principal lirae, the whorls between them appear somewhat concave, and the ridge around the base of the last whorl passes just above the labrum and winds up the spire at the sutural line. 60. AMALTHEA AUSTRALIS, Lamarck. Hab. Kangaroo Island, Australia, Philippines. 61. GLADIUS (RIMELLA) CANCELLATUS, Lamarck ; Kiener, Coq. Viv. (Bostellaria), pl. 3. f. 3. Hab. " Chili and Moluccas " (Kiener). 62. XENOPHORA SOLARIOIDES, Reeve. Phorus solarioides, Reeve, Conch. Icon. i. fig. 8. Hab. Philippine Islands. 63. TROCHUS (CLANCULUS) MICRODON, A. Adams, P. Z. S. 1851, p. 162. (Plate L. figs. 21-216.) Hab. ? This species, the habitat of which was not hitherto known, is not very fully described by Adams. The colour is subject to considerable variation. The series of granules are usually lightish brown, and the interstices almost black. This simplicity of colour is destroyed by broad, irregular, white patches radiating from the suture ; and many of the granules, especially on the base, are white. Two or three of the series of the interstices between them around the umbilicus are white, only a few of the granules being brown. The whorls are six in number and rather convex. 64. TROCHUS (MONILEA) CALYCULUS, Wood, Index Test. Suppl. pl. 6. f. 44 ; Adams, Gen. Rec. Moll. iii. pl. 49. figs. 3-36. Trochus (Monilea) masoni, G. & H. Nevill, Journal Asiat. Soc. Bengal, 1874, vol. xliii. part 2, pl. 1. figs. 1, la. Hab. Eastern Seas (A. Adams, P.Z. S. 1851). On comparing Andaman specimens of this species with the type presented to the British Museum by the late Dr. Gray, I have not the slightest doubt of their specific identity. 65. TROCHUS (FORSKAHLIA) PULCHERRIMUS, A. Adams, Gen. Rec. Moll. i. p. 432. (Plate L. figs. 22, 22a.) Gibbula pulcher rima, A. Ad. P. Z.S. 1854, p. 39. Hab. China Sea. The colour of this beautiful species varies in some examples, but appears to be constant in its distribution. The oblique arcuate pink or scarlet stripes on the upper part of the body-whorl, which in some specimens are black, generally terminate a little above the middle. At this part the whorl is encircled by two close-set gra- |