136 



DISCOVERY REPORTS 



to below anterior part or middle of eye. 10 or 11 gill-rakers on lower part of anterior 

 arch. 78 to 86 scales in lateral line. Dorsal 79-84; anal 64-68. Length of pectoral fin 

 of ocular side varying from | to a little more than once that of head. Brownish ; a large 

 ocellus or spot (sometimes double) at the junction of curved and straight parts of lateral 



Fig. 76. Xystreurys rasile. x \. 



line and a smaller spot between this and the dorsal fin; a black spot posteriorly on 

 straight portion of lateral line ; fins spotted with darker. 



Hob. Coasts of southern Brazil, Uruguay and Argentina, southwards to northern 

 Patagonia. 



In addition to the above, there are 4 specimens (98-260 mm.) in the British Museum 

 collection, the types of Xystreurys brasiliensis and two from off the coast of Uruguay 

 (Marini). 



Mancopsetta maculata (Giinther). 



Lepidopsetta maculata, Giinther, 1880, Shore Fish. 'Challenger', p. 18, pi. xxx, fig. C; Norman, 



1930, Discovery Reports, 11, p. 361. 

 Mancopsetta maculata, Jordan, 1920, Genera Fish., iv, p. 514; Norman, 1934, Syst. Monogr. 

 Flatfishes, 1, p. 248, fig. 189. 

 St. WS 218. North of the Falkland Islands: 1 specimen, 238 mm. 



Hob. Near Prince Edward's Island, southern Indian Ocean ; north of the Falkland 

 Islands, southern Atlantic. 



The holotype in the British Museum collection is 134 mm. long. 



Achiropsetta tricholepis, Norman. 



1930, Discovery Reports, II, p. 362, fig. 47; Norman, 1934, Syst. Monogr. Flatfishes, 1, p. 249, 

 fig. 190. 

 St. WS 89. Off Tierra del Fuego: 1 specimen (holotype), 100 mm. 



Hab. Patagonian-Falklands region. 



Since the publication of my previous report I have received a second example of this 

 interesting species, collected in the Falkland Islands (? 1922) by Mr Hamilton. This 

 specimen is in very poor condition, and measures about 105 mm. in total length. 



