(878 ) 
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Buchanan (J.-Y.). Ice and its natural history. Londres, 
1908 ; in-8° (34 p., grav., fig.). 
Orrawa. Densartment of the Interior. Canada's fertile 
Northland. À glimse of the enormous resources of part of 
the unexplored regions of the Dominion. With maps. 1907; 
in-8°. 
Lonpres. Solar Physics Committee. (Sir N. Lockyer.) 
Monthly mean values of barometric pressure for 73 selected 
stations over the earth's surface. 1908; in-4° (v-97 p. et 
planches). 
— (Sir N. Lockyer.) On the general spectra of certain 
type-stars and the spectra of several of the brighter stars in 
the Green region. 1908; in-4° (46 p. et pl.). 
Lonpres. National Antarctic Expedition 1901-1904 : Phy- 
sical observations. — Natural history, vol. IV, Zoology 
1908. 
Mastrodomenico (Francesco). Il vero meccanismo dell 
universo ossia la scoperta della « causa » da cui risulta Ja 
pesantezza e la gravitazione universale reggente il perpetuo 
moto dell’ universale materia. Naples, 1908; in-8° (105 p.). 
MopÈne. R. Accademia. Memorie, vol. VII. 1908 ; in-4°. 
PAYS DIVERS. 
Sederholm (J.-J.). Explanatory notes to accompany a geo- 
logical sketch-map of Frenno-Scandia. Helsingfors, 1908 ; 
in-8° (31 p., fig. et carte). 
Grigoras (Em.). La Bialgèbre. Un nouveau système de 
détermination des sens. Bucarest, 1908; in-8° (31 p.). 
CHRISTIANIA. Videnskabs-Selskabet. Forhandlinger, 1907. 
— Skrifter, 1906-1907. 
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