These minute tubercles enlarge, become confluent, and project above the surface of the membrane as wartlike masses, attaining the size of peas.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Signs: Great, ulcerous, wartlike, blood-filled blisters that grew rapidly over the body.
"Despoilers of the Golden Empire"
Gordon Randall Garrett