From Cache Valley. Wm. B. Preston, Esq., of Logan, called on the Herald yesterday and reports the crops in and around that flourishing city as looking splendidly, and everything every-thing going on live'y and prosperously. A very large breadth of land has been planted this season, and there never was a better prospect for crops. The people are fighting the grasshoppers diligently andh.2thinkstb.ey will succeed in measurably saving the crops from the ravages "of the "pestiferous insects." in-sects." "