iv Table of Contents. 



The Globe of 1513 and the Progress of Geographical Dis- 

 covery and Map-making from the Time of Columbus. By 

 George R. Howell -------- 241 



Weeds. By Charles H. Peck - - - - - - 251 



The Standard of Value. By Chauncey P. Williams - - 267 

 Magnetic Observations near Albany, N. Y., between the 

 Years 1686 and 1892. By Verplanck Colvin. - - 283 



