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Show '868.] ME. NEVILL ON THE LAND MOLLUSKS OP MAURITIUS. 257 dayHg.7 ° u'^be cS1^' "nd USi"S ltS T*" "*< b"«hte' Mico SERICEUS, (Pl. XXIV.) *1u,r pure whit*. "V"? silk-v ; leSs> feet, and tail pale yellowish ears large, roundish flesh-coloured through the distant ririd expanding hairs, which form a double fringe on the circumference. hJ*. ?VP6Cl?6nS thlS Spfi6S Were 0btained - but two ^e said to have died on he passage, and to have been thrown away : they were all alike m colour and size. y y 2. Description of a New Species of Helix from South Australia. By GEORGE FRENCH ANGAS, C.M.Z.S. F L S F.R.G.S. &c. HELIX (RHAGADA) SILVERI, n. sp. H. perforata, globoso-conica, tenuis, plicis validis obliquis flexuosis corrugata, cretacea; spira conoidea, apice obtuso, sutura distincta; anfr. 6, convexiusculis, ultimo antice descendente, peripheria leviter carinato, basi convexo; apertura obliqua, subovali, marginibus conniventibus, callo tenui junctis, dextro tenui, acuto, expansiusculo, columellari superne expanso, refiexo, perforationem semitegente. Diam. maj. 11, min. 9, alt. 8 lin. Hab. The Eastern Plains, South Australia. Helix silveri. I have named this remarkable and interesting species in honour of Mr. S. W . Silver, to whose kindness I am indebted for specimens of the shell. 3. Notes on some of the Species of Land Mollusca inhabiting* Mauritius and the Seychelles. By G E O F F R E Y NEVILL. NANINA (MACROCHLAMYS) VIRGINIA, Morel. The upper surface of the foot and the tentacles in this species are black, and the sole of the foot is of an iron-grey colour. Mauritius. Found on shrubs and on the ground. pBoc ZOOL. Soc-1868, No. XVII. |
