Edward T. Browne 
105 
P 
P' 
Diagram II. 
The arrangement of the vailial canals in a specimen witli thirteen tentaciilocysts. 
Perradial 3.3.1.2. 
Interradial 1.1.1.1. 
r f 
Diagram III. 
The arrangement of the interradial canals when an increase occurs in the number of interradial 
tentaculocysts. 
