U>^iN 17 1901 



^H<5<t MEMOIRS 



OF THE 



BOSTON SOCIETY OF NATURAL HISTOIIY; 



VOLUME 5, NUMBER (I. 



THE ANATOMY AND DEVELOPMENT OF CASSIOPEA XAMACHANA. 



By ROBERT PAYNE BIGELOW. 



BOSTON: 



published by the society. 

 August, 1900. 



