THRILL 0. S. SOLDERSUnusual Air Activity Above the American Lines—Artillery Doing Great Work.in NEWTON C. PAKKK.t //#/ the luti'M'ilii'iutl S eie# Srt lt;• *WITH THE AMERICAN ARMY IN*FRANCE. Fein uary 13.—Although tin* artillery duel died down on Tuesday more than the u.sual number of aeroplanes were aloft and the Anu ii-eans witnessed a number of combats high above their trenches.The Yankee artillerists, who have been working the American guns, are showing the accuracy and efficiency of veterans. Oh4 rvers reported that American shells registered eleven hits against their targets.The American sector was quieter on Tuesday than it had heeti for several days. There were occasional shots from the artillery, hut the German shells did no damage whatever. The infantrymen enlivened the day at intervals by fusillades when a target presented itself.The weather was clear and cold ami there was no wind.The only casualties reported were three men wounded % € IC 4 I ^ *