632 CURRENT TOPICS. [J. F. I.

of the atmosphere for periods as great as 7 days. At the end of that time, the volume had decreased to 2 9 cc., and 46.27 per cent. of the alcohol and 6.6 per cent. of the iodine initially present had been lost. The iodine concentration in the residual liquid was considerably greater than the iodine concentration in the original tincture.

J. S. H.

Wax-like Coating of the Apple.--H. S. ~/[ARKLEY, STERLING B. H E N D R I C K S , A N D C H A R L E S E . S A N D O (.Tour. Biol. Chem., 1 9 3 2 ,

xcviii, IO3-IO7) have examined the petroleum ether extract of the wax-like coating of the apple. The bulk of the extract was normal nonacosane (C~9H60) ; a secondary alcohol, Io-nonacosanol, was also present. Ketones were not present in isolable quantities.

J. S. H.

THE FRANKLIN INSTITUTE

OFFICERS FOR 1932

President

Vice.presidents

Secretary Assistant Secretary and Librarian ~eaygre'f Assistant Treasurer Controller

HENRY BUTLER ALLEN GEOROE H. BENZON, JR. EDWARD G. BUDD F ~ N C m T. CHAMBERS G. H. C L A ~ R WALTON CL~.K C ~ t u s H. K . COliTIs CHARLES H. E w m o

NATHAN HAYWARD HENRY HOWSON C. C. TUTWILER WALTON FORSTALL W* CHATTI.N WETHERILL HOWARD MC~LENAHAN ALFRED RIGLING BENJAMIN FRANKLIN MARSHALL S* MORGAN WILLIAM F, JACKSON. JR.

Board of Managers SAMUEL S. FELS LIONEL F. LEVy ARTHUR W. GOODSPEED HORACE P. LIVERSIDGE CLARENCE A. HALL MALCOLM LLOYD, JR. GEORGE A. HOADLEY CHARLES PENROSE A. ATWATER KENT GEORGE WHARTON PEPPER L. H. I~INNARD JAMES S. ROGERS ELISHA LEE GEORGE D, ROSENGARTEN ROBERT W. LESLEY HASELTINE SMITH