The species of Crustacea hitherto obtained at Kerguelen Island are so few in number that they cannot be supposed to represent in an adequate manner this department of the Fauna. The Antarctic Expedition under Capt. Sir James Ross visited the island in the winter (May and June 1840), and of the species of Crustacea in the British Museum, apparently brought back by officers of that expedition from “Kerguelen Land,” two are new to science.