U. S. NATIONAL MUSEUM 



BULLETIN 100, VOL. 2, PART 2 PL. 13 



Cf.s, 



c 



}) 



\\ 



FL$32 



Bg.31. 



IH4. 33. 



Cyclosalpa virgula. Aggregated Zooid. 31, Dorsal View of Ganglion, 

 Eye, and Neural Glands; 32, Ciliated Funnel ; 33, Zooid in Dorsal 

 View, 4. 



For explanation of plate see page 102. 



