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On several patches of the snow I found the Protococcus nivalis, or red snow, so well known from the accounts of Arctic navigators.
Livesay [William Livesay was the expedition artist onboard the later voyages of 1869-71] prepared some specimens for the microscope, which were afterwards exhibited at the meeting of the Edinburgh Botanical Society; and it was interesting to distinguish between the simple spherical cells of the red snow-plant (Protococcus nivale) and the jointed segments of the green snow-plant (P.
I curse silently: I have often noticed those scuff marks before, scratches in the lichen, and the green protococcus algae on the rail, and wondered what had made them.