Abstract
The descriptions by Bassett-Smith (1898–9), Thompson and Scott (1903) and Wilson (1906) constitute practically all the work which has been done on the interesting group of Copepoda parasitic on fishes along the Ceylonese coast. To this short recorded list the present author has added five new species (1932–4). In a short series of papers, of which this is the first, it is proposed to describe a number of species, some of which are new forms, collected since those dates.
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