48 Papers from the Marine Biological Laboratory at Tortugas. 



Table V. — Record of disk diameters and regeneration of oral-arms in Cassiopea, 

 •when 5 arm,s and a part of the disk are removed {in millimeters) . 



* Not regenerated. 



/ Not included in the average. 



Table VI. — Stmimary of Tables IV and V for comparison. 



