RT Journal A1 RUCKER WC T1 THe plague eradicative measures (squirrel campaign) in contra costa county, california JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1909 FD December 11 VO LIII IS 24 SP 1995 OP 1999 DO 10.1001/jama.1909.92550240001001j UL http://dx.doi.org/10.1001/jama.1909.92550240001001j AB The hypothesis of an epidemic (or more properly an enzootic, as we are speaking of animals) has greater chances of being true. This enzootic is prevalent in a permanent manner in One species of animals which is found in the mountains of Asia. From this animal the virus is automatically propagated to the rat and from the rat to man. Plague seems thus to be an accidental disease in the rat as it is in man. and it is necessary to trace further back to discover the animal which acts as the host for the bacillus pestis. Beliatsky and Reschtnikoff first, and Zabolotny later have drawn our attention to a rodent of Mongolia which they believe to be this animal host. This rodent is a sort of marmot, the Arctomys bobac or tarabagne which presents from time to time lymphatic swellings. The natives hunt it for eating purposes and also