Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLI. No. 13. — September, 1905. 



THE SPERMATOGENESIS OF THE MYRIAPODS. 



IV. — ON THE KARYO SPHERE AND NUCLEOLUS IN THE SPER- 

 MATOCYTES OF SCOLOPENDRA SUBSPINIPES. 



By Matjlsby W. Blackman. 



With a Plate. 



