Hyperolius maximus Ahl, 1931a: 91.

Tillack, Frank, Ruiter, Ronald de & Roedel, Mark-Oliver, 2021, A type catalogue of the reed frogs (Amphibia, Anura, Hyperoliidae) in the collection of the Museum fuer Naturkunde Berlin (ZMB) with comments on historical collectors and expeditions, Zoosystematics and Evolution 97 (2), pp. 407-450 : 407

Hyperolius maximus Ahl, 1931a: 91.

Holotype.

ZMB 36113, “Ossidinge” [Ossidinge station (Mamfe), on the left bank of the Cross River, Southwest Region, Cameroon], coll. Alfred Mansfeld.

Paratypes.

ZMB 43548-43552, “Busa” [sic], Buea [Fako District, Southwest Region, Cameroon], coll. Paul Preuss ( Preuß).

Present name.

Hyperolius concolor guttatus Peters, 1875, according to Frétey et al. (2014).

Remarks.

Depicted in Ahl (1931b: 366, fig. 241). Ahl (1931a: 92) mentioned eight specimens from "Ossidinge, Busa [sic, Buea], Guinea". One paratype MCZ A-17639 from “Guinea”, coll. Pel, don. Schlegel (Leiden) was sent to MCZ in exchange in 1932 ( Barbour and Loveridge 1946: 128); another paratype could not be located. The colonial officer and ethnologist Mansfeld, who collected the holotype, arrived in Ossidinge on 30 August 1904 and was stationed there until 1907 ( Mansfeld 1908).