anon

“ The Diatoms, either owing to the jelly of the Rotifers not being a favourable medium for displaying the markings, or to the fact that the latter are worn away in some mysterious manner, are most difficult to resolve. Those which are free in the water are by no means easy, and though "high powers" have been brought to bear upon them, it is by no means clear which they are. I believe them to belong to the genus Synedra, closely allied to, if not identical with, S. fasedeulate. ”

“ But now that the Conochili have disappeared the sticks are plentiful, both floating freely and entangled in the brown flocculent matter (which by the way is full of interesting microscopic organisms) with which the water plants are at the present time coated. ”