As an evidence of the increasing distribution of Bacterium tularense infection in animals, I am reporting a new animal host—the fox squirrel. According to a personal communication from Dr. Edward Francis, the case to be reported is the first traceable to that source.
Mrs. J. K., aged 28, a farmer's wife, whose past history and general examination were negative, skinned and dressed a fox squirrel, Aug. 18, 1929. She did not handle or come in contact with any other game on that date. There had been no other possible chance for exposure during the preceding month. She had not been bitten by any insect. She was in excellent health August 18, and no signs of infection appeared until August 20, when she had a severe chill accompanied by headache, backache and nausea. This chill was followed by an illness that lasted for four weeks. During this time she had chills,