A report was recently circulated throughout Ireland that Lord Rosse, the celebrated astronomer, had predicted an exceedingly hot summer, and that farmers should prepare for it by putting up sheds to protect their cattle from the scorching beams of old Sol. Upon such public rumors connected with the name of so great a man, it is reported that numbers of the Irish farmers were taking measures to erect large cattle sheds in anticipation of a more than tropical summer. To arrest such foolish preparations, Lord Rosse has published a letter, in which he states that he never expressed any opinion about the heat of the season. This affair reminds us of the comet hoax which was so extensively circulated during the early part of last year.