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Show 332 DR. O. F. VON MOELLENDORFF ON [June 2, 6. ? VITRINOPSIS DOUVILLEI, de Morg. Gaeotis douvillei, de Morgan, Bull. p. 40, t. iv. fig. 9.' Mt. Tchabang (de Morgan). The figure of the animal shows no trace of a mucous pore, so that the species cannot be a Parmarion or Girasia. In Gaeotis (=Peltella) the mantle covers the shell entirely ; besides, the occurrence of a West-Indian and South-American genus on the Malay Peninsula would be inconsistent with all our experience of the distribution of land-shells. I believe that this interesting discovery of de Morgan will prove to be a Vitrinopsis, hitherto not found outside the Philippine Islands. The shell agrees perfectly with the Philippine species, and the figure of the animal, at least, does not oppose this classification. Fam. NANINIDJE. 7. H E L I C A R I O N L O W I , de Morgan. Helicarion lowi, de Morg. Bull. p. 25, t. 1. fig. 3. Mt. Kerbou, 2200 metres altitude (de Morgan). A fine large species, of 32 m m . diameter. 8. MACROCHLAMYS STEPHOIDES, Stol. Helix (Macrochlamys) stephoides, Stol. J. As. Soc. Beng. xiii. 1873, p. 17, t. i. fig. 9, t. ii. figs. 19, 20. Macrochlamys stephoides, de Morgan, Bull. p. 27. Kinta valley (de Morgan) ; Penang (Stoliczka). 9. MACROCHLAMYS HATCHONGI, de Morgan. Macrochlamys hatchongi, de Morg. Bull. p. 28, t. i. fig. 6. Between Lahat and Ipoh, Kinta valley (de Morgan). 10. MACROCHLAMYS JOUSOUFI, de Morgan. Macrochlamys jousoufi, de Morg. 1. c. p. 29, t. i. fig. 7. Ipoh, Kinta valley (de Morgan). This and the preceding Macrochlamys seem to be varieties of one and the same species, closely allied to M. kumahensis, Theob. & Stol., from Aracan. 11. MACROCHLAMYS BARTONI, de Morgan. Macrochlamys bartoni, de Morg. 1. c. p. 30, t. 1. fig. 8. Mt. Tchora, Kinta valley (de Morgan). Somewhat like M. consepta, Bens., in outline, but very much smaller and less striated. 12. EUPLECTA BIJUGA, Stol. Rotula bijuga, Stol. J. As. Soc. Beng. xiii. 1873, p. 14, t. i. figs. 4-7, t. v. figs. 16-18; Tryon, Man. Pulm. ii. p. 22, t. iv. figs. 56-59. Rotularia bijuga, de Morgan, Bull. p. 30. Euplecta bijuga, v. Molldff. 1. c. p. 302. Bukit Pondong (Townsend, Hungerford); Penang (Stoliczka). |