VOL. VI. JANUARY, 1920 NO. 7 



AMERICAN jyilDLAri D 



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., Editor 



^^^.e ' 



CONTENTS 



Household Insects and their Remedies. B. W. Schcib 1 1 1 



Aquatic Life: With Spscial Referencs to Entomostraca. 



Joseph Stack. 128 



Our Birds in November. Brother Alphonsus, C. S. C. 145 



Notes on Variation in Chicory. A^ M.. Grier, Ph. D. 148 



Our Birds in December. Brother Alphonsus, C. S. C. 149 



PRICE $1.50 A YEAR SINGLE NUMBERS 30 CENTS 



FOREIGN, 6s. 6d. 



Entered as second-class matter at Notre Dame, Indiana. Acceptance for mailing at special 



rate of postage provided for in section H03, Act of October 3, 191 7, 



authorized on July 3, 1918. 



THE UNIVERSITY PRESS, NOTRE DAME, INDIANA 



