2l8 ACADÉMIE DES SCIENCES. 



Ouvrages reçus dans la séance dl i*"^ février 1910. 



De donske Kysters MiddeUandstande og disses reduklion til « Stille » Polliojde- 

 variationens Ind/lydelse, lidgivet af V. H. O. Madsen, bearbejdet af .N M. Petërsen. 

 Kjobenhavn, Bianco Lunos Bogtrykkeri, igi/j ; i vol. in-4°. (Présenté par M. Lalle- 

 mand.) 



Report of the nieleorolngical service of Canada central OJJice^ Toronto for tite 

 year ended deceinber?>\ , 191 i : R. F. Stupart, direclor, N'ol. I and II. Ouawa, prinled 

 by J. de L. Taché, printer lo llie king's mosl excellent majesty, 1914; 2 vol. in 4°. 



University of California. Berkeley : 



— Publications of tlie Lick Observatory, Vol. \11 : Measures of double slars^ by 

 Robert Grant Aitken, 191/4; i fasc. in-4°. 



— Publications in Agricullural Sciences, Vol. I, n°^Gand7 : Tlie effect of Coppcr^ 

 Zinc, Iroii and Lead saltz on Aninionification and Nitrificalion in Soils; — Studies 

 on Ammonijicatioii in Soils by pure Cultures, by C. B. Lipman and P. S. Burgess, 

 1914 ; 2 fasc. in-8°. 



— Publications in Botany. Vol. VI. n" l : Parasitic Florideae, I, by >\'illiam 

 Albert Setchell, 1914; ' fasc. in-8°; — n° 2 : Pliytoniorula regularis, a symme- 

 trical protopliyte related to cœlastrum. by Charles Atwood Kofoid, 1914; ' fasc. 

 in-8». 



[A suivre. ) 



