Figs 18–23 in Four new narrow-range endemic species of Gulella from Eastern Cape, South Africa (Mollusca: Pulmonata: Streptaxidae)

Figs 18–23. Gulella newmani sp. n., holotype. 18, 19, apertural and lateral views of shell, length = 3.68 mm; 20, enlarged view of the aperture, bar = 0.5 mm; 21, umbilical region, bar = 0.25 mm; 22, detail of sculpture (first quarter of last whorl, bar = 75µm; 23, microsculpture on embryonic shell, partly eroded, bar = 30µm.