36 Sioux City Academy of Science and Letters. 
joined soon after its organization, and who are members 
of the Academy, are Mr. J. C. C. Hoskins, first president 
of the Association; Mr. C. R. Marks, Mr. John H. Charles, 
President Emeritus of the Academy; Hon. Geo. W. 
Wakefield, President of the Academy, and Dr. Grant J. 
Ross. Dr. J. Perrin Johnson was an untiring and hon- 
ored member to the time of his death, two years since. 
Many others who joined the Association in its early 
years are still our associates in the work of the Academy. 
All alike have done what they could to promote the 
objects of a scientific organization. To all of them the 
younger members are deeply indebted for the good work 
of the Sioux City Scientific Association. 
