A construotion traiu ou the Auu Arbor Railroad was wrecked just unrth of Urania on Wednesday morning. Eugiiie No. 39, a big one brought dowu frona tbe uortheru end of tbe road for the purpose of hauliug long traius of gravel cars, pulled out au extra traiu of flat cars, and when backiug into Urania station the rails spread, throwiug the eugine aud cars off tbe track. The engine rolled down an erubaukrueut of sorue 30 feet, with the tender on it and tbe flat cars strung alougside. Six cars in all were piled upon each dther. Firemau G. W. Harris said he was obliged to jurup tbrough tbe engine window. Ha escaped with a broken aukle aud soine iuternal Djuries. Brakemau Cain was slightly bruised and also escaped by jumping througb the wiudow of the eugiue, as did Engiueer Huut.