Vitrinula glutinosa (Metcalfe, 1851) Figures 22F, 51D

Helix glutinosa Metcalfe, 1851: 70-71.

Type locality.

“Borneo” .

Material examined.

Gunung Doya: ME 1620, ME 8915, ME 9114. Gunung Kapor: ME 1617, ME 1618, ME 1619, ME 8080, ME 8508, ME 8782, ME 8967, ME 9407. Kampung Padang Pan: ME 6675. Lobang Angin: ME 8728, ME 8750, ME 9023. Gunung Batu: ME 1621, ME 4785, ME 4983, ME 8832.

Distribution in Borneo.

Sarawak: Kuching, Sibu, Mukah, Kapit, and Miri divisions. Kalimantan: West Kalimantan Province. Endemic to Borneo.

Remarks.

This species exhibits high variability in shell form, ranging from high to low spire and in colour from pale to dark brown.