News of tli o rebel invasión of Maryland and Pcnnsylvania is exoiting but eontradictory. Ewell's división, 32,000 , stront is said to have crossod tho Potomac, and is advaneing without opposition. Thore is great excitement at Harrisbuvg. Lee's whoreabouts is not known, nor Hooker's cither, but fears are general tbat the latter is being out-generalcd, or is purposely avoiding a fight and disposing bis forces to proteet Washington. The eieges of Vioksburg and Port Hudson aro reported progressing favor ably, with little loss of life. Grant was to open on the city with hot shot on the 20th. Rosecrans is said to be quiet. &3T We veere present on Sabbath evening last at the Missionary Anniversáry oí the Sabbath Sehoo! connected wilh St. Andrews' Church. The ohnrch was beautifully trimmed for the occasion, and a large and appreciating audience listened to the exorcises witta much interest. The several classes of the School were cnllcd in their ordor, went forward to the altar, presented their emblem to the Restor, together with their class motto, consisting of a passage of scripture appropriate to ' their chosen emblem, accompanied with n selections from scune beautiful hymn or other religious pccm - and, not the least important, the rnoney conrributed by the class during the year. The Rector made some happy and appropriate remarks to tho several classes, and the exercises were also interspersed with tho readiDg of letters from former Eectors and singing by tho choir. Tho class emblema consisted oí crossse, churches, anchors, altars, &c, &c, beautifully gotten up and handsomely adorned with wreaths of flowers. The occasion was a happy one, and the exercises indicativo that the Sabbath School of St. Andrews' is in good working order. flgg?" We regret to learn that Lieut. J. B. Leland, of Co. F, 20th Michigan Infantry, died in hospital, Cairo, II)., on Monday, the 22d inst., of chili (ever and diarrhea. He was taken sick aiter the regiment commenced ita movement for Vicksburg, and was leffc at Cairo for treatrnent. Lieut. L. was a son oí J. G. Leland, Esq., oí North. field in tbis county, and was known and highly esteemed by mauy of our citizens. - His remains arrived home on Wednesday, and the funeral obsequies took place yesterday.