„68 ACADÉMIE DES SCIENCES. 
BULLETIN BIBLIOGRAPHIQUE. 
OUVRAGES REÇUS DANS LES SÉANCES DE SEPTEMBRE 1918 (suite et fin). 
Eighteenth and Seventeenth report of the Michigan Academy of science, by 
Rıcmaro À. Smita. Lansing, Michigan, Crawford Co, 1916; 2 vol. 23%, 
The nautical almanac and astronomicäl ephemeris for the year 1921, for the 
meridian of the royal. Observatory at Greenwich. London, published by his 
Majesty's stationery Office, 1918; 1 vol. 23%, 
Annuario demographico.Secçao de estatistica demographo-sanitaria. Anno XXII: 
1916. São Paulo, Typ. do Diario Official, 1917; 1 vol. 27%. 
