December 29, 192 1] 



NATURE 



5«i 



Prize Awards of the Paris Academy of Sciences for 1921. 



AT the annual public meeting of the Paris Academy 

 of Sciences the prizes and grants for 1921 were 

 awarded as follows : — 



Mathematics. — The Francoeur prize to Rene Baire, 

 for his work on the general theory of functions ; the 

 Bordin prize was not a%varded, as no memoir on the 

 question set was received. 



Mechanics. — The Montyon prize to Edmond Fouche, 

 for his studies on the theory of rectifying columns in 

 fractional distillation ; the Poncelet prize to Emile 

 Jouguet, for his work as a whole; the Boileau prize 

 to Edmond Maillet, for his work on subterranean and 

 fluvial hydraulics ; the Pierson-Perrin prize between 

 Jean Aubert, for his work entitled " Probability in 

 Shooting in War," Denis Eydoux, for his works on 

 general and applied hydraulics, and Albert Thuloup, 

 for his works on the resistance of materials and his 

 study on elastic doublets. 



Astronomy. — The Lalande prize to Paul Stroobant, 

 for the whole of his work in astronomy ; the Ben- 

 jamin Valz prize to Jean Trousset, for his experi- 

 mental work on double stars and the errors of divided 

 circles, and for his studies on the eighth satellite of 

 Jupiter and the moon's motion; the G. de Ponte- 

 coulant prize to A. C. D. Crommelin, for his astro- 

 nomical work as a whole. 



Geography. — The Gay prize to Georges Perrier, for 

 his work in geodesy, especially in connection with 

 the measurement of an arc of meridian in equatorial 

 .\merica. In the absence of candidates fulfilling the 

 very s[)ecial conditions of the founder, the Tchihatchef 

 foundation is not awarded. 



Xavigation. — The prize of 6000 francs between 

 William Loth (4000 francs), for his inventions con- 

 nected with navigation, especially for his method of 

 guiding ships into ports, and ' Rene Mesnv (2000 

 francs), for his work on radiogoniometrv ; the Plumey 

 prize to Paul Dumanois, for his memoir on the deter- 

 mination of a criterion of general fatigue of internal 

 combustion motors. 



Physics.— The Gaston Plante prize to Cvrille Guil- 

 bert, for the whole of his work on electricitv ; the 

 Hebert prize to Jean Baptiste Poniev, for his books 

 on electrical theory and wireless tele'graphv and tele- 

 phony ; the Henri de Parville prize to Paul de la 

 Gorce, for his experimental researches on the electro- 

 chemical equivalent of silver, testing of dielectrics, 

 photometry of electric lamps, and the determination 

 of the harmonics of an alternating current ; the 

 Hughes prize to Joseph Bethenod, for his work in 

 wireless telegraphy; the Clement Felix foundation 

 ^o Maurice de Broglie, for the continuation of his re- 

 ■arches on the X-rays. 



Chemistry.— The >lontyon prize (Unhealthv Trades) 

 to the late Lucien Ville (2500 francs), for his work 

 on poison gas; Jean Pougnet receives an honourable 

 mention (1500 francs), for his contribution to the 

 chemical study from the manufacturing point of view 

 of some chemical war products; the Jecker prize to 

 Jean Eugene Leger, for his researches on organic 

 chemistry; the Cahours foundation, encouragements 

 of 1500 francs to Charles Courtot, for his researches 

 on the fulvene series, and to Charles Dufraisse, for 

 his work on ethylenic stereoisomerism ; the Berthelot 

 prize to Mme. Ramart-Lucas. for her work in organic 

 chemistry; the Houzeau prize to Pierre Jolibois, for 

 his researches in inorganic and physical chemistry-. 



Mineralogv and Geology.— The Cuvier prize' to 

 Alexandr Petrovic Karpinskii, for his work in 

 palaeontology and geology; the Delesse prize to Lucien 



NO. 2722. VOL. 108] 



.Mayet, for his geological work; the Victor Raulin 

 prize to Louis .Mengaud, for his memoir, " Recherches 

 geologiques dans la region cantabrique "; the Joseph 

 i^abbe prize to Edouard Alfred Martel, for his new 

 treatise on subterranean water. 



Botany. — The Desmazieres prize to Robert Douin, 

 for his researches on the Marchantia; the Montagne 

 prize between Rene -Maire (1000 francs), for his work 

 on the mycological flora of northern Africa, and 

 G. Bioret (500 francs), for his memoir entitled " Lt 

 developpement et la biologic des graphidees corti- 

 coles ' ; the Thore prize to Samuel Buchet, for his 

 researches on the Myxomycetes of France ; the de 

 Coincy prize to Henri Chermezon, for the whole of 

 his botanical researches; the Jean de Rufz de Lavison 

 prize to Raoul Cerighelli, for his memoir on root 

 respiration and the application of these researches to 

 the influence of the soil on vegetation. 



Anatomy and Zoology. — The Da Gama Machado 

 prize to Jean Verne, for his studies on the pigments 

 of the decapod Crustacea; the Savigny prize to 

 Armand Krempf, for his researches on the growth of 

 coral. 



Medicine and Surgery. — Montyon prizes to Emile 

 Roubaud (2500 francs)', for his work relating to 

 paludism in France, Celestin Sieur and Raoul Mercier 

 (2:;oo francs), for their memoir on " Le service de 

 sante du groupe d'armees FayoUe en 1918," and 

 Edouard Bourdelle (2500 francs), for his book on the 

 regional anatomy of the domestic animals, part 3, 

 the pig. Honourable mentions (1500 francs) to 

 Edouard .\ntoine, for his work entitled " Les recto- 

 colites graves"; Marc Rubinstein, for his practical 

 treatise of serology and serodiagnosis ; and Arthur 

 Vernes, for his atlas of syphilimetry. Citations to 

 Jacques Carles, for his work" La dysenteric amibienne 

 et les enterites chroniques de guerre " ; to Fernand 

 Masmontcil, for his memoir • Des fractures dia- 

 physaires de I'avant-bras "; to Pierre Menard, for his 

 mercurv sphygmo-manometer ; and to Henri Velu, 

 for his work on Moroccan veterinary pathology. .An 

 encouragement (1000 francs) to Mile, .\ugustine Forget 

 (•• Barria "), founder and director of La reeducation 

 de la parole; the Barbier prize to Ernest Sacquepee, 

 for his researches on gas gangrene: the Breant prize 

 (5000 francs accumulated interest) to Edouard Dujardin- 

 Beaumetz and Edouard Joltrain, for their work in con- 

 nection with an outbreak of bubonic plague; the 

 Godard prize to Xavier Delore and Andre Chalier, for 

 their memoir on congenital tuberculosis; the Mege 

 prize is not awarded ; the Bellion prize equally be- 

 tween Etienne Ginestous, for his practical treatise of 

 ocular hvgiene, and Georges Rosenthal, for his work 

 on traclieo-fistulisation ; the Baron Larrey prize to 

 Georges Ferrv, for his memoir on aviators' disease; 

 the Argut prize to Francois Foveau de Courmelles, 

 for his work on radium and X-rays in connection with 

 gvnaecology. 



Physiology. — The Montyon prize to Henri Pieron, for 

 his work on the reflexes; the Lallemand prize to 

 Georges Guillain and Alexandre Barre, for their book. 

 "Travaux neurologiques de guerre"; the Philipeaux 

 prize to Edouard Grynfeltt, for the whole of his work 

 on the anatomy and physiology of the vertebrate eye ; 

 the Fanny Emden prize is not awarded. 



Statistics. — The Montyon prize to Gabriel Letain- 

 turier, for a book entitled "Two Years' Work in the 

 Yonne during the War." 



History and Philosophy of Science. — The Binoux 

 prize to Alfred Rouxeau, ifor two books entitled 



