'*s¥M 



MEMOIRS 



OF THE 



BOSTON SOCIETY OF NATURAL HISTORY; 



VOLUME III. NUMBER IX. 



TWO NEW AND DIVERSE TYPES OF CARBONIFEROUS MYRIAPODS- 



THE SPECIES OF MYLACRIS, A CARBONIFEROUS 

 GENUS OF COCKROACHES. 



By SAMUEL H. SCUDDER. 



BOSTON : 

 PUBLISHED BY THE SOCIETY. 



March, 1884. 



