To be exact, one milligram of thyroxin increases the metabolic rate two per cent.

"I have found out by a cablegram to-day that seven weeks ago an order for one hundred milligrams of radium bromide at thirty-five dollars a milligram from a certain person in America was filled by a corporation dealing in this substance.

in diameter, making 5 turns in 3 seconds, produced a constant current capable of decomposing 3½ millionths of a milligram in a second.