He was a splendid fellow for the use of high powers, and I had magnified the culture 300 diameters.

"What do you call those ?" I asked, breathless.
He scanned them carefully with his experienced eye.

"Is it the microbes ye mean ?" he answered.

"An' what 'ud they be, then, if it wasn't the bacillus of pyaemia ?" "Blood-poisoning!" I ejaculated, horror-struck.
"Aye; blood-poisoning: that's the English of it." I assumed an air of indifference.

"I made them that myself," I rejoined, as if they were mere ordinary experimental germs; "but I wanted confirmation of my own opinion.