Larkin's Geometry, ii, 359.
Latent heat of vapors, ii, 361.
Laterrade, J. F., on the unicorn, xxi, 123.
Lathrop, J. H., applications of the igneous theory of the earth, xxxviii, 68; xxxix, 90.
Lathrop, S. P., ice mountain in Vermont, xlvi, 331.
Latitudes, on determining, xlix, 232.
Latitude, reduction of, T. J. Cram, xxxi, 222.
— of the Hudson (Ohio) observatory, xxxix, 362.
— of Mt. Washington, xli, 384.
— and longitude of Yale College observatory, xxxiv, 309.