NOTES OF ALGÆ. 203 
Cosmarium margaritiferum. 
Cylindrocystis Brebissonii. 
Euastrum Didelta. 
Staurastrum convergens. 
Tetmemorus Brebissonii. 
XI. Loch Aitchichan, east side of Ben Muich Dhui, at 2800 
feet, 
Cosmarium margaritiferum, C. ornatum. 
Cylindrocystis Brebissonii, 
Euastrum affine. ia 
Tetmemorus Brebissonii. E 
(These five species were found in a black "e iet E: 
snow, which also contained a profusion of Diatomacee.) | 
XII. In a marsh supplied by melting snow, above Loch | 
. Aitchichan, at 3480 feet. 
Closterium Digitus. 
= Cosmarium Cucurbita. 
— Euastrum affine, E. Pelta. 
id  Mierasterias rotata. 
xi. Toae at 3600 feet, nie 
