THE OXYCEPHALIDS 



BY 



CARL BOVALLIUS. 



WITH EIGHTY-SEVEN ILLUSTRATIONS IN THE TEXT 



AND 



SEVEN PLATES. 



(PRESENTED TO THE ROYAL SOCIETY OF SCIENCES OF UPSALA THE 27*h OF APRIL, 1889.) 



UPSALA. 



PRINTED Bi" EDV. BERLING. 

 1890. 



