UNIVERSITY OF MICHIGAN. 



MUSEU.AI OF ZOOLOGY. 

 Miscellaneous Publications No. 1. . \lj- 



^^.o<i1,+)fi, 



Directions for Collecting and Preserving 



Specimens of Dragonflies for 



Museum Purposes 



BY 



E. B. WILLIAMSON. 



ANN ARBOR, MICHIGAN. 



PUBLISHED BY THE UNIVERSITY. 



DECEMBER I, 1916. \ QX 4" 



