324 Part II1—Lwyhih Annual Report 
Bythocythere turgida, G. O. Sars. 
Bythocythere turgida, Brady, op. cit., p. 452, pl. xxxiv. “figs. 
35-38. i 
Bythocythere turgida, Brady and Norman, op. cit., p. 221. 
Habitat.—Off Musselburgh and other parts of the Estuary, but not 
common. The only other Scotch localities where this species has been 
observed are the Clyde, Orkney, and Shetland. 
Bythocythere recta (Brady). 
Cytheropteron rectum, Brady, op. cit., p. 476. 
Bythocythere recta, Brady and Norman, op. cit., p. 222, pl. xix. 
figs. 13-14. 
Hubitat.—Largo Bay, rare. This species has also been recorded from 
Lerwick and St Magnus Bays, Shetland, which appear to be the only 
records of it for Scotland. 
Cytherois fischeri (G. O. Sars). 
Paradoxostoma fischeri, Brady, Nat. Hist. Trans. Northumb. and 
‘Durham, vol. ili. p. 362, pl. xii. figs. 1-3 (1870). 
Cytherots fischert, Brady and Norman, op. cit., p. 228, pl. xxi. figs. 
20-22. 
Habitat.—Generally distributed throughout the Estuary ; common in 
brackish pools by the shore at Aberlady, where it is more or less of a 
dark bluish colour: those dredged off St Monance are nearly white. 
PARADOXOSTOMATID®. 
Paradoxostoma variabile (Baird). ital 
Paradoxostoma variable, Brady, op. cit., p. 459, pl. xxxv. figs. 
1-7, 12-17; pl. xli. fig. 8. 
Paradoxostoma variabile, Brady and Norman, op. cit., p. 229, pl. 
xxlil. fig. 10. . 
Habitat —Largo Bay and other places, frequent 
Paradoxostoma obliquum, G. O. Sars. 
Paradoxostoma obliquum, Brady, op. cit., p. 459, pl. xxxv. figs. 
18-21. 
Paradoxostoma obliquum, Brady and Norman, op. cit., p. 230. 
Habitat.—Off Phidra, Musselburgh, and Burntisland, rare. 
Paradoxostoma hibernicum, Brady. 
Paradoxostoma hibernicum, Brady, op. cit., p. 460, pl. xxxv. figs. 
30, DOs Play tisy, 7, 
Puradoxostoma sarniense, idem ibidem, p. 460, pl. xxxv. figs, 
26-29; pl. xl. fig. 9. 
Paradoxostoma hibernicum, Brady and Norman, op. cit., p. 232, 
pl. xxi figs. 15-17. 
Habitat.—Largo Bay, rare. Neither this nor the previous par appear 
to have been recorded before for the east of Scotland. 
Paradoxostoma arcuatum, Brady. 
Paradoxostoma (2) arcuatum, Brady, op. cit., p. 461, pl. xxv. oe 4 s 
37-38. 
Paradoxostoma arcuatum, Brady and Norman, op. cit., p. oo me 
xxl. figs. 5, 6. 
Habitat.--Off St Monance, Largo Bay, and near Tnchkelehe several j 
specimens Granton Harbour (Robertson). 
