V.

Vermillion, adulterations of, 184.

Vertebrata, first appearance of, in geological strata, 263.
Vesication, nature of, 196.

Victoria, planet, 257.

Violaceæ, 323.

Vis inertiæ, 256.

Vis viva, 256.

W.

WALKER, S. C. On the velocity of electricity, 235.

WARREN, JOHN C. On the Eppelsheim fossils, and Dinotherium giganteum, 305.

Water, action of, on lead pipes, 62.

Water, spheroidal state of, 178, 180.

Water-level of United States coast, marks to indicate, 111, 123, 184, 221, 225.

Weights, French system of, 244.

Wilkesia, gen., Gray.

gymnoxiphium, G., 160.

THE END.

Observatory, Prague, 153..
Observatory, Pulkova, 154.
Owen, Richard, 278.
Palfrey, J. G., 152.
Piddington, H., 153.
Poore, B. P., 152.
Quetelet, A., 280.

Quincy, Josiah, 276.
Raper, Henry, 278.
Ritter, Karl, 281.

Robb, Professor, 275.

Sabine, Edward, 278.
Sedgewick, Adam, 278.
Shurtleff, N. B., 275.
Smee, Alfred, 227.

Smithies, J. K., 278.

Smyth, W. H., 152, 229.

Société de Physique et d'Histoire Naturelle de Genève, 152, 230, 280.

Society, American Antiquarian, 152, 274.

Society, American Philosophical, Philadelphia, 156, 230.

Society of Northern Antiquaries, Royal, 282.

Society, Royal Astronomical, 230.

Society of Natural History, Boston, 229, 274.

Society of Natural History, Helvetian, 155.
Society of Natural History, Strasburg, 280.
Society, American Oriental, 157, 274.
Society, Royal, Göttingen, 152, 153, 281.
Society, Royal, London, 153, 228, 277.
Society of Sciences, Harlem, 281.
Society of Sciences, Royal, Upsal, 282.
Society, Zoological, London, 228.
Struve, F. G. W., 154.

Swett, S., 275.

Thurman, Jules, 279.

Ticknor, George, 228.

Tuomey, M., 228.

University of State of New York, Regents of, 152, 153, 156, 157,

229, 230, 274.

Vattemare, Alexander, 153, 227.

INDEX.

Von Boguslauski, Professor, 157.

Wayland, Francis, 155.

Whewell, William, 152.

Winthrop, R. C., 156, 227, 228, 229, 272, 273.
Yandell, L. P., 151.

Zantedeschi, F. C., 229.

Library of Dr. Bowditch, 182.

Light, direct, in microscopical researches, 326.

Lime, phosphate of, 242.

Lime, phosphate of, analysis of, 261.

Limnea, 3.

351

LOVERING, JOSEPH. On the causes of the differences in the strength of ordinary magnets and electro-magnets, of the same shape and size, 105. On the law of continuity, 120.

On the aneroid ba

rometer, 186. Electrical experiment, 251. On the connection of electricity with tornadoes, 293. On coronæ and halos, 302.

Lunar tables, new, 271.

Lynceus, gen., 48.

latifrons., D., 48.

Lysianassa, gen., 208.

Braziliensis, D., 208.

Lysianassinæ, fam., 208.

M.

Machinery for recording motions of the heavenly bodies, 164.

Mæra, gen., 212, 213.

Magnetical experiments, 120, 161, 162.

Magnets, causes of the difference of strength, when of the same size