Show motor displaces dog the march of science into the fro roe expanses of the far north Is brin a new era of rapid communicate across tho the wildernesses wilder nesses of snow mi planes equipped with landing skis is swift motorized sleds sleda may jooa K place the picturesque dog teams J ja as the motor car Is replacing the CAZ cam of tile the desert the united states Post ment recently announced plans fori fore plane mall mail service from the terror of the government railway at nena alaska to fairbanks thus tat a 20 delivery service by dog tenni will I 1 supplanted by a four hour mi service A more dramatic transition acco J ing to popular science monthly that from dog drawn sleds sleda to 81 gw driven by motor these already lia he made their appearance in finland motorcycle engine furnishing the p through a bicycle wheel tl contact of the rubber tire with tt th snow Is said to create sufficient clent f tion lon to drive the sled forward |