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of the Fishery Board for Scotland. 321 
Habitat.—Ofi St Monance, several specimens, and one or two from 
other parts of the Forth. This species seems to have been previously 
recorded from only two places in Scotland-—St Magnus Bay, Shetland, 
and the Minch (see Monograph by Brady and Norman). I have, however, 
also observed it among some material dredged last year (1889) among the 
Orkney Islands, 
Pontocypris trigonella, G. O. Sars. , 
3 Pontocypris trigonella, Brady, op. cit., p. 387, pl. xxv. figs. 
31-34; pl. xxxvili. fig. 3. 
Pontocypris trigonella, Brady and Norman, op. cit., p. 109 pl 
xxil. figs. 18-25; pl. xxiii. fig. 6. 
Habitat.—Largo Bay and other parts of the Estuary, but not very 
common. 
BAIRDIIDA. 
Bardia inflata, Norman. 
Bairdia inflata, Brady, op. cit., p. 388, pl. xxvii. figs. 9-17; pl 
RexVL, fo."D. : 
Bairdia inflata, Brady and Norman, op. cit., p. 112. 
Habitat.—Off St Monance, rare. 
- CYTHERID &. 
Loxoconcha viridis (Miiller). 
 -Cythere viridis, Miller, Entom., p. 64, pl. vii. figs. 1, 2 (1785), 
non Brady. 
Loxoconcha elliptica, Brady, op. cit., p. 435, pl. xxvii. figs. 38, 39; 
45-48; pl. xl. fig. 3. 
| Loxoconcha viridis, Brady and Norman, op. cit., p. 185. 
Habitat.—Granton Harbour (David Robertson). This is a brackish- 
water species, and may have accidentally got into the harbour. 
Loxoconcha multifora (Norman). 
Cytheropteron multiforum, Brady, op. cit., p. 449, pl. xxix. figs. 
38-42. 
- . Loxoconcha multifora, Brady and Norman, op. cit., p. 185. 
Habitat.—Granton Harbour (David Robertson). These two species of 
Loxoconcha were observed by Mr Robertson in material collected by him 
in Granton Harbour twenty years ago. 
Cythere finmarchica (G. O. Sars), ¢ ?. 
Cythere finmarchica, Brady, op. cit., p. 410, pl. xxxi. figs. 9-13. 
_ Cythere jinmarchica, Brady and Norman, op. cit., p. 163. 
_ Habitat.—Off St Monance, frequent. 
Cythere whitet (Baird). 
Oo Cytherers whiter, Baird, Brit. Entom., p. 175, t. xx. figs. 3, 3a 
(1850). 
Cythere whiter, Brady, op. cit., p. 416, pl. xxx. figs. 21-24. 
Cythere whitet, Brady and Norman, op. cit., p. 169. 
Habitat.—Largo Bay, rather rare. 
Cythere (%) semiovata, n. s. (Pl. XII. figs. 1-2). 
Shell seen from the side semiovate, dorsal and ventral margins nearly 
parallel ; dorsal margin a flattened curve sloping downwards posteriorly, 
_and forming with the nearly straight ventral margin a somewhat bluntly 
angular extremity; anterior end sharply rounded below, then curving 
obliquely upwards and backwards till it merges in the dorsal margin. 
Seen from above, the width is greatest near the anterior end, but varies 
x 
