CONTENTS 



PAGE 



1 . Applications of Elliptic Functions to Problems of 



Closure 81 



Arnold Emch 



2. Design of Fixed Ended Arches by the Elastic Theory 135 



Chas. Derleth, Jr. 



S. On the Action of the Halogens and the Sulphur Hali- 



DES Upon Paratoluqulnoline 159 



John B. Ekbley 



