60 Proceedings of the Royal Physical Socrety. 
Cypria levis (O. F. Miiller, 1785). 
1820. Monoculus ovwm, Jurine, Hist. de Monocles, p. 179, pl. xix., 
figs. 18, 19. 
1835. Cypris minuta, Baird, Brit. Entom., p. 155, pl. xviii., figs. 7, 8. 
1868. Cypris ovum, Brady, op. cit., p. 373, pl. xxiv., figs. 33, 34, 
43-45 ; pl. xxxiv., fig. 8. 
1875. Cypris ovum, Brady, Crosskey, and Robertson, op. cit.; p. 123, 
pl. i., figs. 5, 6. 
1889. Cypria levis, Brady and Norman, op. cit., p. 69. 
Habitat.—Frequent throughout the district. 
Cypria serena (Koch, 1838). 
1868. Cypris levis, Brady, op. cit., p. 374, pl. xxiv., figs. 6-8. 
1875. Cypris levis, Brady, Crosskey, and Robertson, op. cit., p. 126, 
pl. i., figs. 25-28. 
1889. Cypria serena, Brady and Norman, op. cit., p. 70. 
Halitat.—Generally distributed throughout the district. 
Genus Cyclocypris, Brady and Norman (1889). 
Cyclocypris globosa (G. O. Sars, 1863). 
1868. Cypris cinerea, Brady, op. cit., p. 374, pl. xxiv., figs. 39-42 ; 
pl xxxvi., fig. id: 
1875. Cypris cinerea, Brady, Crosskey, and Robertson, op. cit., p. 126, 
pl. ii., figs. 6, 7. 
1889. Cyclocypris globosa, Brady and Norman, op. cit., p. 71, pl. xiv., 
figs. 1, 2; pl. xi, figs. 10-18. 
Habitat—Loch Leven; Loch Fitty, Fifeshire; Black Loch 
and Loch Dow. 
Genus Cypris, Miiller (1785). 
Cypris fuscata, Jurine (1820). 
1868. Cypris fusca, Brady, op. cit., p. 362, pl. xxiii., figs. 10-15. 
1889. Cypris fuscata, Brady and Norman, op. cit., p. 73, pl. xi, 
figs. 3, 4. 
Habitat—Duddingston Loch, ponds at the Braid Hills, 
Edinburgh ; ponds near Dunbar; and Loch Fitty, Fifeshire. 
