Degree of Injury and Rate of Regeneration 539 
TABLE 8 
Palemonetes vulgaris. Nos. 1806-1861. Left chela alone removed. Animals killed eight days after 
the operation : 
LEFT CHELA 
CATALOGUE |FINAL CEPHALO-| FINAL RIGHT pepe gee ae 
NUMBER THORACIC  |CHELA LENGTH Original Regenerated ig} 
LENGTH length length Se a ian 
1810 | 9-3 2.85 2.88 0.62 0.22 
1816 9:3 2.80 2.80 0.77 O27, 
1822 11.6 3-89 3-68 0.62 0.17 
1828 1220 | 4.04 4.00 0.69 0.17 
1834 8.4 2.70 2.64 1.10 0.42 
1840 12/32 4-43 4.52 0.79 0.17 
1846 TT; 3.81 3-81 0.82 0.22 
1852 10.5 | 3-41 3-41 0.83 0.24 
1858 9.1 | 2.65 2.66 0.73 0.27 
conte a ee ee OLS A eed, cael bl Serer eRe Pi Ree es 0.239 
| | 
TABLE 9 
Palemonetes vulgaris. Nos. 1806-1861. Right chela alone removed. Animals killed eight days after 
the operation 
| RIGHT CHELA 
eee Ee ances | SPECIFIC 
NUMBER THORACIC | CHELA LENGTH | ve Regenerated en nee 
LENGTH | Original length ale REGENERATION 
1807 br 2.96 | 2.93 0.82 0.28 
1813 6.1 | 2.00 1.88 0.69 0.32 
1819 Led 4.07 4.02 0.55 0.14 
1825 10.0 Arr 3-04 0.70 0.23 
1831 .0 detsp 2.52 | 0.52 0.20 
1837 a7 | 2.95 | 2.95 | 0.79 0.27 
1843 pug | Te | 3-59 0.48 0.13 
1849 9.1 | 2.74 | 2.62 0.52 0.20 
1855 9-7 | Lens | 2.81 | 0.85 0.30 
Average..... “ht aes rage Ry 230 
