, Band 58. Vien- 



Amerique. 



Macfarlane (A.). — Principles of the algebra of physics. — 

 Salem, 1891 : in-8° (50 p.). 



— On exact analysis as the basis of language. S. 1., 1892 j 

 extr.in-8»(6p.). 



Hale (George E.). — The ultra-violet spectrum of the solar 

 prominences. Chicago, 1892; extr. in-8°(2 p.). 



— Photographs of solar phenomena, obtained with the 

 spectroheliograpb of the Kenwood astro-physical Observatory. 

 Chicago, 1892; enlr. in-8° (2 p., 1 fig.). 



— A remarkable solar disturbance. Chicago, 1892; in-8 ff 

 (3p). 



— The astronomical exhibit at the world's Columbian expo- 

 sition. Chicago, 1892; extr. in-8° (3 p.). 



Crawford Johnston [Thomas). — Did the Phaenicians dis- 

 cover America? San Francisco, 1892; in-8° (30 p.). 



Pickering (Edw.-C). — A large Southern telescope. Cam- 

 bridge, 1892; in-i°(3p). 



Cambridge. American Academy of arts and sciences. — 

 Memorial of Joseph Lovering, 1892;in-8". 



Halifax. NovaScotian Institute of science. — The procee- 

 dings and transactions, 1890-91, vol. 1, part 1, 1891 ; in-8°. 



Mexico. Minislerio de Fomento. - Boletin semestral de la 

 direceion general de esladistica (Antonio Penafiel), n ' 4-6, 

 1889-90. 5 vol. in-4°. 



Saint-Louis. Missouri botanical Garden. — Annual 



