10 
IOWA ACADEMY OF SCIENCE Vol. XXIX, 1922 
RowE, Paul Glenwood 
Rusk, W. J Grinnell College, Grinnell 
Schriever, Wm State University, Norman, Okla. 
Schulz, Jno. A Agri. Exp. Station, Ames 
Scott, Winfield State Teachers College, Cedar Falls 
Searight, Walter V State University, Iowa City 
Shaffer, Sherman Cornell College, Mount Vernon 
Shippee, Vernon C . Prineville. Oreg. 
Slaght, W. E '. Cornell College, Mount Vernon 
Snider, Frank J Kalona 
Snyder, Rev. Chas. E 410 Tenth St., Sioux City 
Spiker, Chas. J New Hampton 
Stainbrook, Merrill A State University, Iowa City 
Stolt, Miss Margaret Z Hawarden 
Takkenberg, Henry G St. Ambrose College, Davenport 
Taylor, Joseph Wapello 
Torrance, D. Merrill Van Horne 
Treganza, J. A Britt 
Trieschmann, Jacob E Ellsworth, Kansas 
Van Horn, Max Iowa Wesleyan College, Mount Pleasant 
Verbeck, L. M Grinnell College, Grinnell 
Wait, G. R Carnegie Inst. Ter. Magnetism, Washington, D. C. 
Watson, Emery E 2004 Olive St., Cedar Falls 
Weeks, Carl 124 Des Moines St., Des Moines 
Weeks, Rev. Leroy Titus Emmetsburg 
Wehman, H. J Burlington 
Wellhouse, Walter H Iowa State College, Ames 
Whipple, Mrs. Elizabeth Springer .Wapello 
Whittaker, J. S Corydon 
Willson, L. H a 315 Sixth St., Ames 
Windenburg, Dwight Cornell College, Mount Vernon 
Young, Paul A Coe College, Cedar Rapids 
