Land and Fresh- Water Crustacea around Edinburgh. 369 
Edinburgh, and this is the only locality within the district 
where (raptoleberis has been observed. I have it also from 
Loch Tay, Perthshire; from Loch Mullach Corrie, Suther- 
landshire ; and from Loch Morar, Inverness-shire. 
Genus Alona, Baird. 
Alona guttata, G. O. Sars. 
1862. Alona guttata, G. O. Sars, ep. cit., p. 38. 
1867. Lynceus guttatus, Norman and Brady, Mon. Brit. Entom., 
p. 380, pl. xviii., fig. 6; pl. xxi., fig. 10. 
1884. Alona guttata, Herrick, Crustacea of Minnesota, p. 94. 
I have only one record for this species in the district, viz., 
for Camilla Loch, Fifeshire. It is almost certain to occur in 
other localities, as it has a fairly wide distribution, but being 
small it is easily overlooked. I have records of its occurrence 
in Loch Tay, Loch Mullach Corrie, and Loch Morar. 
Alona tenuicaudis, G. O. Sars. 
1862. Alona tenwicaudis, G. O. Sars, op. cit., p. 37. 
1867. Lynceus tenuicwudis, Norman and Brady, op. cit., p. 376, pl. 
XX) HOS, 
1884. Alona tenuicaudis, Herrick, op. cit., p. 95, pl. i, fig. 2. 
I have this from the same locality as the last, viz., Camilla 
Loch, and I know of no other Scottish record for Alona 
tenuicaudis. It is distinguished from other Lynceidw by the 
slender form and armature of the post-abdomen. 
Alona costata, G. O. Sars. 
1862. Alona costata, G. O. Sars, op. cit., p. 88. 
1867. Lynceus costatus, Norman and Brady, op. cit., p. 379, pl. xviii., 
fice 2; pl.xxi., fic. 7. 
1884, Alona costata, Herrick, op. cit., p. 94. 
Alona costata has been obtained in two localities within 
the district, viz., Lochgelly Loch, and in a ditch by the side 
of Harelaw Dam. The only other record I have for this 
species is for Loch Morar, Inverness-shire. 
