On a collection of South African Polychaeta, with a catalogue of the species recorded from South Africa, Angola, Mosambique, and Madagascar.

This paper contains a catalogue of the species of Polychaeta recorded from South Africa, Angola, Mosambique, and Madagascar, with a reference to a good description in each case. Within the catalogue are included the names of seventy-eight specics collected in this region. Of these eight are new species, and many others havc not been previously recorded for this region. A short diagnosis is given of many spccics where such is not readily obtainable.