WILLIAM CROOKES

» Secrétaire honoraire de la Royal Institution. »

M. le Professeur Emerson Reynolds, Président de la Société chimique de Londres, donne ensuite lecture de l’Adresse suivante :

To M. Marcelin Berthelot , Senator, late Minister for Foreign Affairs, Member of the Institute.

« Sir,

» On behalf of the President Officers Council and Fellows of the Chemical Society, \ve beg to ofïer you, the Senior Foreign Member of the Society, our heurtiest congratulations on the occasion of the fiftreth anniversary of your first scientific publication.

» The Chemical Society lias recently received the first Volumes of your monumental Work yet to be completed, including des great number of papers which you hâve contributed, during fifty years of scientific activity, to the chemistry of the hydrocarbons and their methods of formation.

» There is, however, scarcely any department of Chemical Science in which you hâve not worked as a pioneer with distinguished results, whilst to you is largely due the foundation of a new branch of the Science, namely, Thermo-Chemistry.

» Alike in the history of our Science and in its applications to Agriculture and Industry you hâve made brilliant contributions.

L A SEANCE

» We trust thatfor many yoursyou maypossess the healtli andstrength to continue those investigations which liave made your naine famous througout the scientific World.

» Signed on belialf of the Chemical Society :

» November 22, 1901. »

» d. emerson REYNOLDS, Président ;

» William. -a. tilden, Treasurer ;

» WYNDIIAM.-R. DUNSTAN, ) 0

Secrelary :