23. Subulona ordinaria (Preston, 1910) Fig. 4

Homorus ordinaria Preston 1910: 534; pl. IX, fig. 25

Notes.

Verdcourt (2000) treated this as a forest species but it also occurs in other habitats on Pemba (Table 2). It is known from the Shimba Hills (Preston 1910; type locality) and from the Sigi Valley in the East Usambara Mts. (Verdcourt 2006).