1892.] Correlated Variations in Crangon vulgaris. 19 



Table XVII. — Mean Length, of Telson for observed Values of Total 

 Carapace Length. (Soathport : 800 individuals.) 



M c = 248-31 ; Q. c = 3 9fi. M Te = 195 48 ; Q Te = 3 71. 



Length, or c. 



Mean associated 

 length of Te. 



Length of Te 

 when r — 0'14. 



Difference 

 observed, Te. 



256 



196 25 



196 -49 



-0-24 



255 



196 -00 



196 -36 



-0-36 



254 



196 -81 



196 -23 



+ 0-58 



253 



196 75 



196 -09 



+ 0-66 



252 



195-70 



195 06 



-0 26 



251 



195 -48 



195 -83 



-0-35 



250 



194 81 



195 -70 



-0-89 



249 



194 -05 



195 57 



-1 -52 



248 



195 -95 



195 -44 



+ 0-51 



247 



194 -94 



195 31 



-0-37 



246 



195 -22 



195 18 



+ 0-04 



245 



195 -28 



195 05 



+ -23 



244 



"195 -29 



194 -92 



+ 0-37 



243 



194-92 



.194-79 



+ 0-13 



242 



193 -93 



194 65 



-0-72 



Table XVIII. — Mean Value of Total Carapace Length for observed 

 Lengths of Telson. (Southport : 800 individuals.) 



1 



Length of Te. 



Mean associated 



Length of c 



Difference 



length of c. 



when r = 14. 



observed, c. 



202 



247 -04 



249 -27 



-2 -23 



201 



250 -78 



249 -13 



+ 1-65 



200 



247 -11 



248 -98 



-1 -87 



199 



248 -21 



248 -83 



-0-62 



198 



249-23 



248 -68 



+ 0-55 



197 



247 -46 



248 -53 



-1-07 



196 



248 -05 



248-39 



-0-34 



195 



247 -81 



248 '26 



-0-45 



194 



247 '15 



248 -12 



-0-97 



193 



248-42 



247*97 



+ 0-45 



192 



248 -61 



247 '82 



+ 0-79 



191 



248 -31 



247 -67 



+ 0-64 



190 



244 -81 



247'52 



-2-71 



189 



247 -46 



247 -37 



+ -09 



188 



246 38 



247 -22 



-0-84 



187 



248 '04 



247-07 



+ 0-97 



c 2 



