— respecting the ammoniacal azoturet of potassium, offered by the St. Petersburg Academy, xxv, 205.
—, the Montyon, presented, xxv, 189.
—, the De Lalande, given to E. Sabine, xii, 194.
—, —, xxv, 190.
— of the Academy of Sciences, xiv, 380, 389; xxii, 194.
Problems, diophantine, xxxi, 156.
—, dynamical, new solutions of, xxxviii, 106.
Producta, see [Zoology, Mollusca.]
Profile mountain, New Hampshire, M. Field, xiv, 64f; xxxiv, 122.
Pronouns, nature of, explained, xxxiv, 337.