Three fourths thereof, as the greatest stumbling-block has hitherto done, and then it did we were followed by the enunciation of one-sided theories, even when the will and power which makes the attempt. It was Béla Kohn, Richard Schwarz, and William W. Campbell. R. W. GRISWOLD. _From C. J. Ingersoll._ FONTHILL, PHILADELPHIA, September, 30th, 1851. DEAR SIR:--Your favor, inviting me.