"A. Bacilli mingled with blood corpuscules from the blood of a guinea-pig; some of the bacilli dividing.…
"Bacilli mingles with blood-corpuscles from the blood of a guinea-pig; some of the bacilli dividing."…
"a, a chain of motile rodlets still growing and dividing (bacilli). b, a pair of bacilli actively growing…
"A chain of motile rodlets still growing and dividing (bacilli)." — The Encyclopedia Britannica,…
"A pair of bacilli actively growing and dividing." — The Encyclopedia Britannica, 1910