AMPHIPODA. 5 



GENUS PONTOGENEIA, Boeck. 

 P. magellanica, Stebbing. 



FAM. ATYLID^E, G. 0. SARS (1895). 



GENUS ATYLUS, Leach. 

 A. walkeri, Stebbing (1900). 



FAM. DEXAMINID^, STEBBING. 



GENUS POLYCHERIA, Haswell. 

 P. antarctica, Stebbing. 



FAM. MELPHIDIPPID^, STEBBING. 



GENUS MELPHIDIPPA, Boeck. 

 M. macrura, G. 0. Sars. 



FAM. LILLJEBORGIID^;, STEBBING. 



GENUS LILLJEBORGIA, Sp. Bate. 

 L. dulia, Haswell. 



FAM. PHOTID^E, G. 0. SARS (part). 



GENUS HAPLOCHEIRA, Haswell. 

 H. barlimana, G. M. Thomson. 



GENUS EURYSTHEUS, Bate. 

 E. longicornis, A. 0. Walker (190G). 



FAM. SEBID.E, A. 0. WALKER (190G). 



GENUS SEBA, Stebbing. 

 Seba antarctica, A. 0. Walker (1906). 



FAM. ISCHYROCERID^l, STEBBINQ. 



GENUS HEMIJASSA, n. 

 H. goniamera, A. 0. Walker. 



FAM. COLOMASTIGID^, STEBBING. 



GENUS COLOMASTIX, Grube. 

 C.pusilla, Grube. 



DESCKIPTION OF THE SPECIES. 



UNLESS otherwise stated, the references to Professor G. 0. Sars are to his " Crustacea 

 of Norway," Vol. L, Amphipoda, 1895 ; those to Mr. Stebbiug (Eev. T. K. R.) are to his 

 ' Challenger ' Report ; and to A. 0. Walker, to the Amphipoda of the ' Southern Cross ' 

 Antarctic Expedition, Jouru. Linn. Soc., London, Zoology, Vol. XXIX. (1903), 

 pp. 38-64. 



The classification of the species is, as far as possible, in accordance with that of 

 Professor G. 0. Sars, in the " Amphipoda of Norway." After the completion of this 

 memoir (on October 30, 190G) I received, through the kindness of the author, the Rev. 

 T. R. R. Stebbing, F.R.S., a copy of his invaluable work on the Amphipoda Gammaridea, 

 written for "Das Tierreich." As this will be indispensable to all systematic workers on 

 the Amphipoda, and as it contains full references to all species described and published 



