—, on the resolution of equations of the fourth degree, xviii, 276.
—, on analytical geometry, xx, 285.f
Wilkes, C., notice of Hassler's repeating theodolite, xvi, 252.f
—, on the formation of Antarctic ice, xlvii, 114.
—, Narrative of the U. S. Exploring Expedition, noticed, xlviii, 211; xlix, 149.
Wilkesbarre, on the rocks and coal, &c., of, iv, 1f; vii, 260; xii, 66; xviii, 309.f
— fossil plants, ix, 165.
Wilkie, Daniel, sides of right angled triangles expressed by integral numbers, xxiv, 68.
—, on definitions, xxx, 28, 266; xxxi, 88, 236.