MATHEMATICAL WORKS 



GEORGE BRUCE HALSTED, 



A.M. (PRINCETON); PH.D. (JOHNS HOPKINS); EX-FELLOW OF PRINCETON 

 COLLEGE; TWICE FELLOW OF JOHNS HOPKINS UNIVERSITY; INTERCOM 

 LEGIATK PRIZEMAN; SOMETIME INSTRUCTOR IN POST GRADUATE 

 MATHEMATICS, PRINCETON COLLEGE; PROFESSOR OF MATHEMAT 

 ICS, UNIVERSITY OF TEXAS, AUSTIN, TEXAS; MEMBER OF THB 

 AMERICAN MATHEMATICAL SOCIETY; MEMBER OF THK LON 

 DON MATHEMATICAL SOCIETY; MEMBER OF THE ASSO 

 CIATION FOR THE IMPROVEMENT OF GEOMETRICAL 

 TEACHING; EHRENMITGLIED DES COMITES DES 

 LOBACHEVSKY-CAPITALS; MIEMBRO DE LA 80- 



CIEDAD ClENTIFICA &quot; ALZATE &quot; DE MEXICO ; 



SOCIO CORRESPONSAL DE LA SOCIEDAD DE GEOGRAFIA Y ESTADISTICO 



DE MEXICO; SOCIETAIRE PERPETUAL DE LA SOCIETE MATHK- 



MATIQUE DE FRANCE; SOCIO PERPETUO DELLA ClRCOLO 



MATKMATICO DI PALERMO; PRESIDENT OF 



THE TEXAS ACADEMY OF SCIENCE. 



Mensuration. 4th Ed. 1892. $1.10. 

 Ginn & Co. Boston, U. S. A., and London. 



Elements of Geometry. 6th Ed. 1893. $1.75. 

 John Wiley & Sons. 53 E. 10th St., New York. 

 Chapman & Hall. London. 



Synthetic Geometry. 2nd Ed. 1893. $1.50. 

 John Wiley & Sons. 53 E. 10th St., New York. 



Lobachevski s Non-Euclidean Geometry. 4th Ed. 1891. $1. 

 G. B. Halsted, 2407 Guadalupe St., Austin, Texas, U. S. A. 



Bolyai s Science Absolute of Space. 4th Ed. 1896. $1.00. 

 G. B. Halsted, 2407 Guadalupe St., Austin, Texas, U. S. A. 



Vasiliev on Lobachevski. 1894. 50c. 



G. B. Halsted, 2407 Guadalupe St., Austin, Texas, U. S. A. 



Sent postpaid on receipt of the price. 



