Dipyre, xlvii, 417.
Disease among shell fish, S. P. Hildreth, xxxii, 97.f
Disinfection by means of alkaline chlorides, xiii, 169.
— — of alcohol, xiii, 174.
Disintegration of the dolomites of the Tyrol, Daubeny, xlii, 321.
Dislocations, lines of, in Devonshire, De la Beche, xxxi, 354.
— of strata in the U. States, E. Hitchcock, xli, 268.
Diving bell, descents in, at Portsmouth, N. H., T. Alden, xxii, 325.
— —, heat during descent in, xxv, 196.
Divining rod, iii, 102; xi, 201.f