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Show 42 LIEUT.-COL. H. H. GODWIN-AUSTEN ON [Jail (>, TROCHOMOKPHA BICOLOR. Trochomorpha bicolor, v. Martens, Monatsber. Akad. Berlin, 1864, p. 267 ; id. Preuss. Exped. Ost-Asien, Landschneck. p. 252, t. xiii. fig. 2(1867). Helix bicolor, Pfeiff. Monogr. Helic. v. p. 182 (1868). Nigritella (?) tropidophora. Helix tropidophora, Adams & Reeve, Zool. Voy. Samarang, Moll. p. 59, pi. xiv. rig. 14 (1S50) ; v. Martens, Preuss. Exped. Ost-Asien, Landschneck. p. 256 (1867) ; Pfeiff. Monogr. Helic. v. p. 60 (1868). Helix thais, Pfeiff. Zeitschr. f, Malak. 1849, p. 68 ; id. Monogr. Helic. iii. p. 37 (1853) ; Mart. u. Chemn. Conch.-Cab. ed. ii. p. 298, t. cxxv. figs. 32, 33. Nanina (Trochomorpha) thais, Albers, Helic. ed. ii. p. 60 (1860). Trochomorpha tropidophora, Wall. P. Z. S. 1865, p. 408. NIGRITELLA CONICOIDES. Helix conicoides, Metcalfe, P. Z. S. 1851, p. 71 ; Pfeiff. Monogr. Helic. iii. p. 37 (1853) ; Mart. u. Chemn. Conch.-Cab. ed. ii. p. 448, t. cliii. figs. 20, 21 ; Reeve, Conch. Icon. pi. lxxxiv. fig.449 (1852); v. Martens, Preuss. Exped. Ost-Asien, Landschneck. p. 256 (1867). Llelix labuanensis, Pfeiff. P. Z. S. 1863, p. 523 ; id. Monogr. Helic. v. p. 61 (1868) ; id. Novitat. Conch, xxv. p. 304, t. lxxiv. figs. 4, 5. Helix vitrea, Bonnet, Rev. Zool. 1864, p. 68, pi. v. fig. 3. Trochomorpha conicoides, Wall. P. Z. S. 1865, p. 407. Hab. Niah Hills, Trusan, Tiga Island (A. Everett). Trochomorpha ceroconus. Helix ceroconus, Pfeiff. P. Z. S. 1863, p. 523. Patula (Macrocycloides) obscurata. Helix obscurata, Adams & Reeve, Zool. Voy. Samarang, Moll. p. 59, pi. xiv. fig. 18 (1850). Helix tradita, Reeve, Conch. Icon. pi. cv. fig. 583. The figure given in the ' Voyage of the Samarang ' is very inferior, and being taken from the back, it would be impossible to "identify a species from it. Earn. HELICID.ffi. H E L I X (.ZEGISTA) TOMENTOSA. Helix tomentosa, Pfeiff. P. Z. S. 1854, p. 289 ; id. Monogr. Helic. iv. p. 271 (1859), et v. p. 353 (1868) ; Reeve, Conch. Icon. pi. cxcix. fig. 1403 (1854); v. Martens, Preuss. Exped. Ost-Asien, Landschneck. p. 275 (1867) ; Issel, Ann. Mus. Civ. Genova, vi. p. 406 (1874). A banded variety and single specimen from Sarawak. From Karamon Island is a single specimen, all dark brown, larger than the last, with a smaller umbilicus; there is very little difference in form. |