Note 5 — THE MODES OF ORIGIN OF LOWEST ORGANISMS.
Reading edition
Notwithstanding what Professor Huxley has said, I believe it to be almost certain that in many cases Bacteria exist in a solution in which there are neither Torulæ nor developed fungi. And, on the other hand, I have seen fungi growing in a simple (boiled) solution of tartrate of ammonia, for weeks together, without the appearance of Bacteria or the occurrence of any turbidity of the solution; and on two or three occasions I have seen Torulæ swarming in an infusion without the presence of Bacteria.