THE 



KANSAS UNIVERSITY 

 SCIENCE BULLETIN. 



Vol. II, No. 3— June, 1903. 



( Whole Series, Vol. XII, No. 3.) 



CONTENTS : 



An Ecological Catalogue of the Crayfishes Belonging to the 



Genus Cambarus, J. Arthur Harris. 



PUBLISHED BY THE UNIVERSITY, • 

 Lawrence, Kan. 



Entered at the post-office in Lawrence as second-class matter. 



