CONTENTS. 



PAGE 



Recent State Constitution-Making 67 



John B. Phillips, Ph.D., 



Professor of Economics and Sociology 



The Boundaries of Colorado 87 



Frederic L. Paxson, Ph.D., 



Professor of History 



Paleontology of the Boulder Area ....... 95 



Judge Junius Henderson, 



Curator, University of Colorado Museum 



Additional List of Boulder County Birds, with Com- 

 ments Thereon 107 



Judge Junius Henderson, 



Curator, University of Colorado Museum 



Fishes of Boulder County, Colorado 113 



Chance y Juday, A.M., 



Acting Professor of Biology 



On the Learning of a Modern Language 115 



Charles C. Ayer, Ph.D., 



Professor of Romance Languages 



On a Dihydro-Quinoxaline from Orthophenilene- 



Diamine and Mesityloxide 123 



John B. Ekeley, Ph.D., 



Professor of Chemistry, 

 and 



Robert J. Wells, M.A., 



Assistant in Chemistry 



Theory of Compound Curves in Field Engineering . .135 

 Arnold Emch, Ph.D., 



Professor of Graphics and Mathematics 



Corrections to Vol. 1 153 



