324 Part III. — Eighth Annual Report 



Bythocythere turgida, G. O, Sars. 



Bythocythere turgida, Brady, op. tit., p. 452, pi. xxxiv. figs. 



35-38. 

 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, pi. xix. 

 figs. 13-14. 



Habitat. — 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. 0. Sars). 



Paradoxostoma fischeri, Brady, Nat. Hist. Trans. Northumb. and 



Durham, vol. iii. p. 362, pi. xii. figs. 1-3 (1870). 

 Cytherois fischeri, Brady and Norman, op. cit., p. 228, pi. 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. 



Paeadoxostomatimj. 



Paradoxostoma variabile (Baird). 



Paradoxostoma variabile, Brady, op. cit, p. 459, pi. xxxv. figs. 



1-7, 12-17; pi. xli. fig. 8. 

 Paradoxostoma variabile, Brady and Norman, op. cit, p. 229, pi. 



xxiii. fig. 10. 



Habitat — Largo Bay and other places, frequent 



Paradoxostoma obliqmim, G. O. Sars. 



Paradoxostoma obliquum, Brady, op. cit, p. 459, pi. xxxv. figs. 



18-21. 

 Paradoxostoma obliqmim, Brady and Norman, op. cit., p. 230. 

 Habitat. — Off Phidra, Musselburgh, and Burntisland, rare. 



Paradoxostoma hibernicum, Brady. 



Paradoxostoma hibernicum, Brady, op. cit, p. 460, pi. xxxv. figs. 



35, 36; pi. xl. fig. 7. 

 Paradoxostoma sarniense, idem ibidem, p. 460, pi. xxxv. figs. 



26-29; pi. xl. fig. 9, 

 Paradoxostoma hibernicum, Brady and Norman, op. cit., p. 232, 

 pi. xxi. figs. 15-17. 

 Habitat. — Largo Bay, rare. Neither this nor the previous species appear 

 to have been recorded before for the east of Scotland. 



Paradoxostoma arcuatum, Brady. 



Paradoxostoma (?) arcuatum, Brady, op. cit., p. 461, pi. xxv. figs 



37-38. 

 Paradoxostoma arcuatum, Brady and Norman, op. cit, p. 234, pi. 

 xxi. figs. 5, 6. 



Habitat. Off St Monance, Largo Bay, and near Inchkeith; several 



specimens Granton Harbour (Robertson). 



