—, water limerock of Quebec, xxviii, 113.

—, cement of the Castle Rock, Quebec, xxviii, 367.

Baily's method of determining longitude, notice of, E. Hitchcock, ix, 107.

Bailey, J. W., grasshoppers' legs, a substitute for frogs in galvanic experiments, xxxi, 292.

—, washing-bottles, forms of, xxxi, 292.f

—, on the common blowpipe, xxxii, 319.f

—, excursion to Mt. Katahdin, Me., xxxii, 20.f

—, list of some plants in Maine, xxxii, 23.

—, new test for nitric acid, xxxii, 85.f

—, locality of hyalite, xxxii, 87.