5. — Graphs shovnng mitotic and stage indices. (Preliminary study.) 



lO^'OO"' lo''10'" lo''20"' lo''30'" 10''40'" lo'' 50" tl^'OO'" ll^'IO"' ll''JO"' ll''30'" ll''40" n''50"' I2''00" 



= = = Mitotic Index. Based on entire number o( cells observed. 

 Stage Indices based on cells showing mitotic activity. 



-.-.-. = Stage One = Stage Six 



= Stage Two = Stage Seven 



==— = Stage Three = Stage Eight 



= Stage Four = Stage Nine 



-'— = Stage Five = Stage Ten 



