CONTENTS OF VOLUME I. 



PAGE 



Title-page l 



Contents »i 



No. 1. On Rational Quadratic Transformations. By M. W. Has- 

 kell, Ph.D 1 



(Published February 1, 1898) 



No. 2. The Quadratic Cremona Transformation. By Leonard E. 



Dickson, Ph.D 13 



(Published February 1, 1898) 



No. 3. On Curvilinear Asymptotes. By M. W. Haskell, Ph.D 25 



(Published February 1, 1898) 



No. 4. Systems of Simple Groups derived from the Orthogonal 



Group. By Leonard E. Dickson, Ph.D 29 



(Published March 16, 1898) 



No. 5. Systems of Simple Groups derived from the Orthogonal 

 Group. (Second Paper.) By Leonard Eugene Dick- 

 son, Ph.D 47 



(Published November 25, 1899) 



No. 6. On a m n 2 Parameter Group of Linear Substitutions in m n 



Variables. By E. J. Wilczynski, Ph.D 59 



(Published November 25, 1899) 



No. 7. The Apparent Projection of Stars upon the bright Limb of 

 the Moon at Occultation, and Similar Phenomena at Total 

 Solar Eclipses, Transits of Venus and Mercury, Etc., Etc. 

 By George Davidson, Ph.D., Sc.D 63 



(Published December 1, 1900) 



No. 8. Determination of the Constant of Refraction from Observa- 

 tions made with the Repsold Meridian Circle of the Lick 

 Observatory. By Russel Tracy Crawford 103 



(Published May 16, 1903) 



December 30, 1914. 



