| Show Unknown Disease Killing Graceful Swans in Idaho MOSCOW rd Idaho ho April 16 Nu 16 Nu Numerous dead swans of the North American whistling species s. s victims of tome some unknown ll sickness have alarmed northern Idaho game cu enthusiasts en- en over the survival of th the nearly extinct fowl noted for its beauty and grace Many of the birds are found In Inthe Inthe inthe the Coeur dAlene River valley inthe Inthe in inthe the streams and in the thc Thompson I lake region Only of the swans made th the thel l last t migration between the Cascade and Rocky m mountains according toa to toa toa a federal survey An autopsy Is be beIn beIng be- be In lug Ing made mado by the tho Washington college colleg In hi an at attempt to determine the nature nature nature na na- na- na ture of or the disease preying on th the fowl |