The most reliable method of diagnosis is the examination of the blood and tissues for anthrax bacilli, which requires a trained bacteriologist.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
But presently, as a result of this knowledge about fleas and flea diseases being in existence and available, a bacteriologist discovers the secret of the dread bubonic plague, which hundreds of times in past history has wiped out a great part of the population of Europe and Asia.
"The Book of Life: Vol. I Mind and Body; Vol. II Love and Society"
Upton Sinclair
A bacteriologist exclaimed at length over the similarity of minute life forms to those on Earth, and used the occasion to again expound the old theory of space-floating life spores to seed all favorable matter, and thus develop similar forms through evolution, wherever found.
"Eight Keys to Eden"
Mark Irvin Clifton