Grayia caesar (Günther, 1863)

Figure 22B

Xenurophis caesar Günther, 1863: 357 . Type locality: “Fernando Po”, Bioko, Equatorial Guinea.

Grayia caesar (Günther, 1863): Boulenger 1909: 944.

Distribution. Central Africa, from Bioko and Cameroon to Democratic Republic of the Congo; it extends southward to Cabinda (northern Angola) (Chippaux & Jackson 2019; Marques et al. 2018). In Equatorial Guinea it has been recorded from Bioko (Günther 1863a; Boulenger 1894; Bocage 1903) (Map 24C).

Comments. There are no precise records of this species for Bioko. We provide the first records of this species for Río Muni.

Specimens examined. Two specimens. Río Muni: San Joaquín de Ndyiacom (road from Bata to Ayamiken), February 1987 (EBD 25028); Miboman (30 km from Bata), 14 October 1985 (EBD 20945) .