Cyclophorus perdix borneensis (Metcalfe, 1851) Figures 3B, 47A

Cyclostoma borneensis Metcalfe, 1851: 71.

Type locality.

“Borneo” .

Material examined.

Gunung Sebayat: ME 8007. Bukit Sekunyit: ME 2631. Gunung Doya: ME 2675, ME 8921, ME 8947, ME 9169. Gunung Kapor: ME 2636, ME 2647, ME 8068, ME 8706, ME 8753, ME 8769, ME 9468. Gunung Stulang: ME 5905. Kampung Bunga Rampai: ME 2610, ME 5947. Kampung Padang Pan: ME 6667. Lobang Angin: ME 2648, ME 9183, ME 9483. Gunung Batu: ME 2633, ME 2642, ME 8805.

Distribution in Borneo.

Sarawak: Kuching, Samarahan, Serian, Mukah, Kapit, and Miri divisions. Sabah: West Coast Division. Kalimantan: West, South, and East Kalimantan provinces. Distribution elsewhere. West Malaysia (Stoliczka 1872; Morgan 1885).

Remarks.

Living snails were observed foraging among leaf litter and plant debris near the cliff in lowland limestone forest.