Chapter I: BIOGRAPHY.--George W. Whistler, C.E.--By Professor G.L

VOSE.--Full biography of the eminent railroad engineer.

II. CHEMISTRY.--A Newly Discovered Substance in Urine.--A substance
possessing greater reducing power than grape sugar found
in diabetic urine.

On Electro Dissolution and its Use as Regards Analysis.--By H.
N. WARREN, research analyst.--Interesting decomposition of cast
iron with production of boron and silicon; experiments with other
metals.