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Show 264 MR. E. A. SMITH ON THE [Apr. 1, CORALLIOPHILA ERYTHROSTOMA. (Plate XXIII. fig. 7.) Testa brevis, alba, brevissime fusiforme; anfractus 6, tabulati, medio angulati, costis 8-9 paulo obliquis et liris spiralibus squamulatis (in anfr. superioribus ad 6, in ultimo circa 15) instructi; anfr. ultimus inferne ungustatus, rimam angustam umbilicalem exhibens; apertura pyriformis, longe intus rufescens; labrum album, intus sulcatum; columella superne parum arcuata, infra medium obliqua ; canalis medio-cris, paulo recurvus. Operculum ignotum. Longit. 22 millim.; diam. max. 15, min. 12. Apertura 14 longa, 6 lata. This species is chiefly distinguished by its short broad-shouldered form, and the reddish interior of the mouth. The liration upon the costae at the angle is rather acutely produced, giving it a pretty festooned appearance. CORALLIOPHILA ATLANTICA. (Plate XXIII. fig. 8.) Testa fusiformi-ovata, rimata, alba, mediocriter crassa; anfr. 6, convexi, costis obliquis circiter 11, plerumque parum elevatis, lirisque spiralibus, minute squamatis (in anfr. superioribus circa 4, in ult. ad 20 irregulariter alternatim majoribus) instructi; apertura subpyriformis, alba, longit. totius ^ superans ; labrum intus sulcatum ; columella rectiuscula ; canalis brevis. Longit. 17 millim.; diam. 11. Apertura 11 -| longa, 4\ lata. IS H1 7i qi >> lt-' .5 >> u2 " '2 " 2 " This species is chiefly distinguished by the roundness of the whorls and the slight development of the costae ; in some specimens they are all but obsolete. CORALLIOPHILA BRACTEATA (Brocchi). Hab. Mediterranean. The two little specimens from St. Helena of this variable species belong to var. 4 as described by Monterosata (vide ' Nuova revista Ccnch. Medit.' 1875, p. 40, as Pseudomurex). Murex gravesii, Broderip (Proc. Zool. Soc. 1836, p. 44), as pointed out by Tryon, is another synonvm of this variety. PURPURA HELENA, Q. & G. ? Purpura unduta, Lamarck, Anim. s. Vert. vol. vii. p. 238. Purpura helena, Quoy & Gaimard, Voy. Astrolabe, Zool. vol. i. (1832) p. 573, Atlas, pi. 39. figs. 7-10. Purpura bicarinata, Blainville, Nouv. Ann. du Museum d'Hist. Nat. vol. i. (1832) p. 215. Purpura fasciata, Reeve, Conch. Icon. vol. iii. pi. ix. fig. 45. Purpura undata, Kiener (partim), Icon. Coq. Viv. pi. 34. figs. 81 a-c. Cuma carinifera, Tryon (partim), Man. Conch, vol. i. pi. 62. fig. 324. Hab. West Indies (Kiister, Higgins fy Marrat, and British |