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Show at least checked and perhaps overcome. over-come. The government has. Just issued a pamphlet on this mouse plague In Nevada, Ne-vada, which contains the warning that farmers of Weber county and other parts of Utah may yet experience the mouse plague, aa a report of damago by mice along the Weber river Indicates Indi-cates the presence of the rodents in this section In numbers large enough to call for attention. Ordinarily the mice are very prolific, each pair producing four to six litters of about six young to each during the season of breeding, and often the young born early In the season breed before fall. In the investigation of tho Lovelock plague, ah examination of many females, a large percentage of which were pregnant, showed an average of from six to seven young, while In a number as many as ten were found. Many females suckling young were found to be again pregnant. Here Is a problem in mathematics geometrical geomet-rical progression. One hundred mice would produce the first season At least 3,600, the second season 129,000 and the third season 9,331.200. We will not attempt to figure the total In the fourth 6eason, but If disease did not aid in keeping down the proportions, propor-tions, the reproduction would go on at a rate beyond all control. MICE MUtTIPtY BY THE MlttlON. I-ist year and the year before Humboldt Hum-boldt valley In Nevada suffered a plague of black mice. The rodents Invaded In-vaded the alfalfa fields and destroyed the green leaves of the plants and then ate the roots of the alfalfa. Trees were destroyed and everything green was attacked. At the height of the plague, the number of mlco around Lovelock was estimated at 8.000 to 12.000 to each acre, and In a rod square the mice holes wero ISO to 17C. The damago for the season of 190$ was placed at 300,0o0. The government officials of the Agricultural Agri-cultural department were called upon to assist in ridding the farms of the destructive animals and. by a systematic, system-atic, campaign of poisoning, using strychnia sulphate, the plague was |