VOL. VI. NOVEMBER, 1920 NO. 12. 



amIr% MIDLAND 

 NATURALIST 



Devoted to Natural History, Primarily 

 that of the Prairie States 



Published by the University of Notre Dame, 

 Notre Dame, Indiana 



J. A. NIEUWLAND, C. S. C, Ph. D., Sc. D^j:ditoc-__ 



JAN 28 1921 

 CONTENTS 



Variation in Epidermal Color of Certain Species OfllttjdLaes 

 Inhabiting the Upper Ohio Drainage and their Corres- 

 ponding Ones in L. Erie. N. M. Grier, Ph. D. 247 



Observations on Some Marine Plants of the Iowa Devon- 

 ian, with Descriptions of New Genera and Species. 



Clement L. Webster, M. Sc. 286 



Birds Observed at Brookland, D. C. from Aug. 19 to Sept. 



7, 1920. Brother Alphonsus, C. S. C. 290 



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authorized on July 3, 1918. 



THE UNIVERSITY PRESS, NOTRE DAME, INDIANA 



