j^ DISCOVERY REPORTS 



Family Pseudidotheidae, Ohlin, 1901 

 Genera Arcturides Studer, 1882 

 Pseudidothea Ohlin, 1901 

 HoUdotea Barnard, 1920 



Family Amesopodidae, Stebbing, 1905 



Genus Amesopous Stebbing, 1905 

 Family Xenarcturidae fam.n. 



Genus Xenarcturus g.n. 



The Discovery collections contain specimens taken in South African waters as well as from stations 

 in the region of the Patagonian Shelf and from within the Antarctic Convergence. The following 

 species are recorded: 



Idotea indica Milne-Edwards, 1840 Glyptonotus antarcticus Eights, 1852 



/. metallica Bosc, 1802 Macrochiridothea stebbingi Ohlin, 1901 



Paridotea tingulata (Pallas), 1772 M. kridmeli Nierstrasz, 1918 



Synidotea hirtipes (Milne-Edwards), 1840 Pseudidothea bonnieri Ohlin, 1901 



Edotia bilobata Nordenstam, 1933 P. scutatus sp.n. 



E. oculata Ohlin, 1901 Arcturides acximinatus sp.n. 



E. ocidopetiolata sp.n. Xenarcturus spitmlosus g.n., sp.n. 



E. corrugata sp.n. 



The holotypes of the new species are in the British Museum (Natural History). 



ACKNOWLEDGEMENT 



I should like to record my grateful appreciation and thanks to Dr H. Bargmann who read the first 

 draft of this paper and made many helpful suggestions. 



STATION LIST 



In the following list of stations those made by R.R.S. 'Discovery' and R.R.S. 'Discovery II' have 

 no letters prefixed to the station number; those made by R.R.S. 'William Scoresby' have the prefix 

 WS and those of the Marine Biological Station the prefix MS. Besides these there are certain 

 localities with no station number; these are grouped together at the end of the list. 



St. 5. 31. i. 1926. Tristan da Cunha, Quest Bay, medium rectangular net, frame 4 ft. long and 2j ft. wide, with 

 bag of 7 mm. each; depth 7-12 m.; several short hauls inside Macrocystis belt. 

 Paridotea ungidata (Pallas). 

 St. 123. 15. xii. 26. Off mouth of Cumberland Bay, South Georgia. From 4-1 miles N. 54° E. of Larsen Point, 

 to 1-2 miles S. 62° W. of Merton Rock, large otter trawl, 230-250 m., also net with mesh of 4 mm. attached to trawl 

 230 m., and tow-net of coarse silk attached to trawl, 220 m., grey mud. 

 Edotia oculopetiolata sp.n. 

 St. 140. 23. xii. 26. Stromness Harbour to Larsen Point, South Georgia. From 54° 02' S., 36° 38' W. to 

 54° 11' 30" S., 36° 29' W., net with mesh of 4 mm. attached to trawl, green mud and stones, 122-136 m. 

 Edotia oculopetiolata sp.n. 

 St. 141. 29. xii. 26. East Cumberland Bay, South Georgia, 200 yards from shore, under Mt Duse, small beam 

 trawl, 17-27 m., two short hauls on steeply shelving ground at edge of kelp. 

 Glyptonotus antarcticus Eights. 

 St. 144. 5. i. 27. Off mouth of Stromness Harbour, South Georgia. From 54° 04' S., 36° 27' W. to 53° 58' S., 

 36° 26' W., tow-net of coarse silk attached to trawl, green mud and sand, 155-178 m. 

 Edotia oculopetiolata sp.n. 



