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work published both in France and abroad. To this was added a 

 " Repertoire de Chimie Appliquee," under the direction of M. Barreswil. 

 From the time of its foundation the Societe Chimiqne de Paris 

 took a high rank amongst scientific societies. Wurtz himself 

 gave several lectures at the Society: one in 1860, " L'Histoire 

 Generale des Glycols ;" three in 1863, " Sur quelques points de Philo- 

 sophic Chimiques;" and one in 1883, on " Aldol," with his usual 

 vivacity and enthusiasm. He had been chosen Secretary of the 

 Society at the time of its foundation, and he several times filled the 

 office of President. He was a frequent attendant at the meetings of 

 the Society, and often gave there his most interesting papers. 



Wurtz also organised in his laboratory a set of conferences, which 

 usually took place on Saturday afternoons, where sometimes he or 

 his students, or occasionally distinguished chemists of France and 

 other countries, gave an account of recent researches, and showed the 

 more important experiments. 



In 1872 he took an active part in the formation of an Association 

 for the Advancement of Science, similar to our British Association, 

 which has done so much for Great Britain. This new French Asso- 

 ciation held its first Congress at Bordeaux, in 1872. Wurtz con- 

 tinued to watch assiduously over its welfare. In 1874 he presided at 

 the meeting at Lille, and on this occasion he gave the Association an 

 important and interesting discourse on " La Theorie des Atomes dans 

 la Conception Generale du Monde." 



In 1875 Wurtz had been persuaded to accept the office of Maire 

 of tne VII e Arrondissement of Paris. He fulfilled the duties of this 

 post with his usual zeal and devotion, until 1881, when he was pro- 

 posed for election to the Senate by the Centre Gauche, and elected 

 without opposition. On the occasion of his nomination to the Senate 

 his numerous pupils, both French and foreign, took occasion to offer 

 him a testimonial of gratitude and affection. They presented him 

 with a copy in bronze of Barrias' statue of Bernard Pallissy, on the 

 pedestal of which was engraved a dedication, with the names of 111 

 present and former pupils, amongst which we note Ch. Friedel, 

 Lecoq de Boisbaudran, J. M. Crafts, Ladenburg, &c, &c. 



During the short time that he was a member of the Senate, Wurtz 

 appears to have spoken only once, namely, at the discussion of the 

 law for permitting the importation into France of the American salted 

 meats. He drew up for the Senate on this occasion an exhaustive 

 report on the Trichini, collecting together for the first time all the 

 experience of France on the subject. 



In 1878 Wurtz gave the Faraday Lecture fo the London Chemical 

 Society. He selected for his subject " La Constitution de la Matiere 

 a I'etat Gazeux," dwelling especially on the beautiful researches of 

 Faraday on the liquefaction of gases. He was warmly welcomed by 



