Saw, moved by mechanism, vii, 198.

—, acceleration of, at night, viii, 393.

— machine, rotary, R. Eastman, v, 146.f

Saxifraga Careyana, xlii, 32.

Saxton, J., electrographic gilding by, xli, 402.

Say, Thos., observations on some zoophytes, shells, &c., principally fossil, i, 381; ii, 34.

—, American Conchology of, noticed, xxi, 179.

—, notes on Herpetology, i, 256.

—, obituary notice of, xxvii, 393.

Scandinavians, early discovery of America by, xvii, 410.