Pittsburgli, April 3. The mail train duo froui Philadelphia at 1 P. M. to-daj was thrown oif the track near Walls' station, about 13 miles from this city, by the breakiag of an axle. The forward car went down an embankment ló feet, the otliers running off the track. About 80 passengers wero on the train, but, no one was serously iniured. Tho following were slightly injurcd: Mr. Dobbs, daguerreotypist, of Pittsburgli ; E. Carpenter, drover, of Holnus county, Ohio; F. ' Malloney, of Ilolli daysburg, Pa., and J. Simmons, expreas agent, of Philadelphia. They will be able to leave to-inorrow for the places of thuir dcstination. The mails caught fire from the. upsetting of a stove, and tho Contenta of several pouches were badly damagfcd or destroyed. The Washington letter mail escnpcd; the New York and Philadelphia i slightly damagcd; tho Baltimore aüd i Ilarribburg considerably damagcd, and the way mail between Pittsburgh and Hamsburgh alinost entirely destroyed. About The Weather. - We have liad seventeen weeks of uninterrupted good sleighing, and itis as good how as at any time during the winter. Last Sunday and Mmiday were the coldest days we ever kncw here. Th re are now strong indications ot n Bre k-u p, and we anticípate an early and pleasant upring. - Traverst. City Heraldo Mar:,h 22. Washington, April 3. It ia ascertained that the French Consuls in the Confedérate States havo received inetructione direct from France relativo to il iaoil i tution of southorn trado it.!i Pranee. Prominent persons nero are satisfied that tho movements of Enj;lish and French fieeta aru for obiervutions of southern events. TeBKITORIAL. 'FFICERS WlTHOpT PAY.-Owingto an unfortunate omis sion or over siglit, no appropriation was made for the pay ot auy of tbe offieevs of the three Territorial Govsraments organizad last session. The Governors 'and other dignitaries must trust to the next Congress for compeus-.iti'üi. They are unposed to t'iivor an extra ecossicn..