VOL. XIV. 



NOVEMBER. 1907. 



No. 11 



Contents 



JOHN TORREY, M. D tB3 



TO CLEAN ENGRAVED COPPER 154 



DISCOVERIES OF MANGANESE 155 



HOME-MADE BUTTERMILK ..156 



EXCHANGES 157 



PRESCRIPTION DIFFICULTIES 157 



ALUMNI, COLLEGE AND CLASS NOTES 161 



ALUMNI SOCIAL 162 



ALUMNI PINS 162 



THE ANECDOTE OF A DRUG CLERK'S TRAV- 

 ELS 163 



Published flonthly by the Alumni 

 Association of the College of Phar- 

 macy of the City of New York- 

 Pharmaceutical Department of Col- 

 umbia University. 



