Land and Fresh-Water Crustacea around Edinburgh. 371 
Genus Peracantha, Baird. 
Peracantha truncata (O. F. Miller). 
1781. Lynceus truncatus, O. F. Miller, Entomostraca, p. 75, pl. il., 4-6. 
1850. Peracantha truncata, Baird, Brit. Entom., p. 136, pl. xvi., fig. 1. 
Lochgelly Loch, Fifeshire, is the only locality within the 
prescribed area where this species was obtained. I have 
records of it from two localities beyond our district, viz., 
Loch Morar, Inverness-shire; and Loch Scuban, in the island 
of Mull. Peracantha truncata was frequent in the material 
from the Mull loch. 
Genus Pleuroxus, Baird. 
Pleuroxus levis, G. O. Sars. 
1861. Plewroxus levis, G. O. Sars, Om. de i Omeg. af Christi. 
forekom. Clad., p. 22. 
1862. Plewroxus hastatus, idem, ibid., Andet Ree p. 52. 
1867. Lynceus levis, Norman and Bede Mon. Brit. Entom. belong- 
ing to the Bosmin. Macrothric. and Lynce., p. 38, pl. xviil., 
Ho. D's plies, ie a 
Pleuroxus levis was obtained only in Camilla Loch, Fife- 
shire, where it occurred sparingly. 
Pleuroxus trigonellus (O. F. Miiller). 
1776. Lynceus trigonellus, O. F. Miller, Zool. Dan. Prod., No. 2395. 
1850. Pleuroxus triyoneilus, Baird, Brit. Entom., p. 1384, pl. xvil., 
fig. 3(?). 
Pleuroxus hamatus, idem, ibid., p. 186, pl. xvil., fig. 5( 6). 
This species appears to be more common than the last. 
It has been obtained in two localities within our area, 
viz., Raith Lake, Kirkcaldy; and Loch Leven, Kinross. 
Other localities where I have records of its occurrence are 
Loch Strathbeg, Aberdeenshire; and Loch Tay, Perthshire. 
Pleuroxus uncinatus, Baird. 
1850. Plewroxus uncinatus, Baird, op. cit., p. 185, pl. xvii., fig. 4. 
1884. Plewroxus uncinatus, Herrick, Crustacea of Minnesota, p. 114. 
This was obtained in the same two localities as the last 
