Willi am Siieakek, tried before the Circuit Court of tlie U. S. at its present session, was, on Wednesday lust, sentenced to four year’s imprisonment in the Slate prison for robbing’ the Post Office at Winchester in this State. Shearer, on being called up for sentence, declared himself innocent of thecrime charged against him. Judge Huntington pronounced the sentence of the Court in a very feeling address to the prisoner, and declared his conviction of his guilt; but in consideration of his family, and under the hope of a reform, he would place the sentence at the lowest limit his duty to the country would allow him. Shearer is a man of good apnear-ance and has occupied a respectable position in society.*