42 LIEUT. -COL. H. H. GODWIN-AUSTEN ON [Jail. 6, 



Trochomorpha 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. A''oy. Samarang, Moll, 

 p. 59, pi. xiv. fig. 14 (1S50) ; v. Martens, Preuss. Exped. Ost-Asien, 

 Landschneck. p'. 256 (1867) ; Pfeiff. Moaogr. Helic. v. p. 60 (1868). 



Helix thais, Pfeiff. Zeitschr. f. Malak. 1849, p. 68 ; id. Moaogr. 

 Helic. iii. p. 37 (1853) ; Mart. u. Cliemn. 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. Cbemn. Conch.-Cab. ed. ii. p. 448, 

 t. cliii. figs. 20, 21 ; Reeve, Conch. Icon. pi. Ixxxiv. fig. 449 (1852) ; 

 V. Martens, Preuss. Exped. Ost-Asien, Landschneck. p. 256 (1867). 



Helix labuanensis, Pfeiff. P. Z. S. 1863, p. 523 ; id. Monogr. 

 Helic. V. p. 61 (1868) ; id. Novitat. Conch, xxv. p. 304, t. Ixxiv. 

 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 (Macrocy chides) 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 vFould be impossible to identify a 

 species from it. 



Fam. HELICID^. 

 Helix (^Egista) 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, pl.cxcix. 

 fig. 1403 (1854); V. Martens, Preuss. Exped. Ost-Asien, Land- 

 schneck. p. 275 (1867) ; Issel, Ann. Mua. Civ. Genova, vi. p. 406 

 (1874). 



A banded variety and single specimen from Saraveak. 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. 



