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Show 420 MR. W. A. FORBES ON THE AFRICAN ELEPHANT. [May 6, very small; interior blackish purple throughout, bordered with a narrow white zone; margins strongly crenate. Long. 15, alt. 14, lat. 8 lin. Hab. Unknown. Coll. late T. L. Taylor. 9. PETUNCULUS ORBICULARIS, n. sp. (Plate XXXV. fig. 9.) Shell moderately solid, orbicular, depressed, subequilateral, equivalve, a little compressed anteriorly ; white, spotted very sparingly with brown ; valves with about thirty rounded radiating ribs that become less prominent towards the sides, and crossed all over with fine concentric wavy lines taking the form of overlapping scabrous laminae towards the base ; cardinal area very small; umbones nearly approximate, interior white. Long 12, alt. 11, lat. 4 lin. Hab. Bass's Straits, Tasmania. Coll. Hanley. This shell belongs to the same natural group as P. vitreus. 10. PECTUNCULUS NOVA-GUINEENSIS, n. sp. (Plate XXXV. fig. 10.) Shell moderately solid, quadrately orbicular, slightly convex, equilateral, equivalve; white, tinged with pale brown under the umbones ; valves sculptured throughout with close-set prominent nodulous ribs, the interstices of which are crossed by extremely fine concentric striae; dorsal margin straight, forming a sharp angle at its junction with the sides, which are flattened ; ventral margin arcuate ; cardinal area very narrow ; umbones small, beaks approximate ; interior white; margin broadly crenate. Long. 16, alt. 15, lat. 7 lin. Hab. New Guinea. Coll. T. L. Taylor. This remarkable shell belongs to the same group as P. vitreus and P. orbicularis. 4. On the Anatomy of the African Elephant (Elephas africanus, Blum.). By W . A. FORBES, F.Z.S., F.L.S. [Received April 23, 1879.] Although the African Elephant was well known, both in their wars and games, to the Romans, till within the last few years hardly any specimens of this species had been seen in Europe since the days of tbe Roman Empire. With but one exception, as far as I can find out, all our knowledge of the soft structures of the Proboscidea has been, till the present year, derived from examination of the Asiatic species. In his ' Memoires pour servir a l'histoire naturelle des Animaux '', published in 1734 by the Acade'mie Royale des Sciences of Paris, Claude Perrault describes an African Elephant " du Royaume de Congo," which was presented to the King of France by the King 1 Tome iii. partie 3, pp. 101-156, pis. 19-24. |