- 



Fig 4. 



rig. 2. 



Fig S 



Fig. 5. 



Fig. 6. 



Fig. 2, an unopened specimen. Fig. 3, same, section. Fig. 4, transverse section. 

 Fig. 5, a specimen just beginning to break. Fig. 6, a specimen after dehiscence. All 

 photographed fresh at Cincinnati. 



PHALLOGASTER SACCATUS. 



