THE 



KANSAS UNIVERSITY 

 SCIENCE BULLETIN. 



Vol. X, No. 14, JANUARY, 1917. 



(Whole Series, Vol. XX, No. 14.) 



CONTENTS 



Chromosome Studies IV : A Deficient Supernumerary Accessory 

 Chromosome in a Male of Tettigidea parvipennis, 



W. Rees Brebner Robertson. 



PUBLISHED BY THE UNIVERSITY, 

 LAWRENCE, KAN. 



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



7111 

 18— Sci. BuL X. 



