Effect of Age upon Regeneration 577 
TABLE 4 
O phioglypha lacertosa—T hree arms removed at base 
22 DAYS 33 DAYS 46 pays | 
Disk Average | Specific Average Specific Average Specific | 
, | | Remarks 
diameter | length of | amount of | length of | amount of | length of | amount of | 
regenerating regenera- _ regenerat- regenera- | regenerat- | regenera- | 
arms tion ing arms tion ing arms / tion | 
oe 
gas | dead (22) 
6.5 0.6 0.09 1.05 0.16 | | dead (46) 
9.0 | | dead (22) 
11.0 ans Gig. | 1:75 0.16 ai05 | “0.28. |) 
1235 1.35 0.11 BAe A DP osigis Ne see 0.26 | 
12.5 2B 0.18 4.25. |) 0.34 6.65 0.53 
glee: | aed | 0.08 3-4 0.25 | 4.9 0.36 
14.3 I.1 0.08 ey) 0.12 | 2.15 0.15 
20.0 0.05 | 0.00 0.35 0.02 1.0 0.05 
TABLE 5 
O phioglypha lacertosa —Four arms removed at base 
| 22 DAYS 33 DAYS 46 Days 
Disk Average Specific | Average Specific | Average Specific 
diameter __ length of amount of / length of | amountof | length of amount of 
| regenerating regeneration | regenerating regeneration | regenerating | regeneration 
arms, | arms | | arms 
4.9 65 9.13 | 1.0 0.20 | 0.45 0.09 
6.0 1.0 0.17 | 1.65 | 0.27 | 1.9 0.32 
8.2 2.45 0.30 | 4.6 | o.56m" | | 6.2 0.76 
rae | 1.85 exie: ou 3 65 | 0.32 Bas 0.47 
12.3 | Phe i 0.17 4-3 0.35 | Wiel | 0.58 
12.8 0.6 0.05 =| Ded 0.16 | 4.05 0.32 
12.8 -| 1.55 re 2.9 | Gags || 4.85 | 0.38 
ieee | 1.75 G:1a) | 3-3 | aye | 5-55. | 0.37 
18.3 1.0 0.05 | E75 0.10 3.65 0.20 
