Tularemia in Iowa Cottontail Rabbits (Sylvilagus jloridanus mearnsi) and in a Dog

Abstract

During the past several years numerous studies on population fluctuations · for various game animals and birds have been made. The causes of many of these fluctuations are still unknown. During the past four months we have been able to observe a rapid decrease as it occurred in the Iowa cottontail (Sylvilagus floridanus mearnsi) and to determine the cause of the same