Celebration of the Fiftieth Anniversary. xeix 



St. Louis Public Museum. St. Louis, Mo. (John H. 



Terry ) . 

 State Historical Society of Missouri. Columbia, Mo. {F.A. 



Sampson). 

 U. S. Coast and Geodetic Survey. Washington, D. C. 

 U. S. Department of Agriculture. — Bureau of Biological 



Survey. Washington, D. C. {A. K. Fisher *). 

 U. S. Geological Survey. Washington, D. C. {Joseph A. 



Holmes *). 

 U. S. Naval Observatory. Washington, D. C. 

 Verein fiir Erdkunde. Dresden, Germany. 

 Verein fiir Erdkunde. Leipzig, Germany. 

 Verein fiir Erdkunde. Metz, Germany. 

 Verein fiir Geographic und Statistik. Frankfurt am Main, 



Germany. 

 Verein fiir Naturkunde. Cassel, Germany. 

 Verein fiir Naturwissenschaft. Braunschweig, Germany. 

 Verein fiir Siebenbiirojische Landeskunde. Hermannstadt, 



Austria. 

 Verein zur Verbreitung Naturwissenschaftlicher Kenntnisse. 



Vienna, Austria. 

 Washburn Observatory. Madison, Wis. 

 Washington University. St. Louis, Mo. (W. S. Chaplin^ 



S. M. Coulter, Otto Heller, A. S. Langsdorf, F. E. 



JSTipher, Wm. Trelease, J. L. Van Ornum, C. M. 



Woodioard) . 

 Wetterauische Gesellschaft fiir die Gesammte Naturkunde. 



Hanau, Germany. 

 Wisconsin Academy of Sciences, Arts and Letters. Madison, 



Wis. {Ernest R. Buckley). 

 Wisconsin Natural History Society. Milwaukee, Wis. 

 Yale University Observatory. New Haven, Ct. 

 Yorkshire Geological Society. Leeds, England. 

 Zoological Society of Philadelphia. Philadelphia, Pa. 

 Zoologisch-Botanische Gesellschaft. Vienna, Austria. 



* Unavoidably absent. 

 Issued July 23,1906. 



