18 



Prof. W. F. R. Weldon. Certain [Mar. 3, 



Table XV. — Mean Length of Telson for observed Values of Total 

 Carapace Length. (Plymouth : 1000 individuals.) 



M c = 249 63 ; Q. c = 4'55. M Te = 193*08 ; Q Te = 4-56. 



JLengtn or c. 



Mean associated 

 length of Te. 



Length of Te when 

 r = 0-18. 



Difference 

 observed, Te. 



258 



193 -79 



194 -59 



-0 80 



257 



194-92 



194 -41 



+ 0-51 



256 



195-78 



194 -23 



+ 1-55 



255 



196 '08 



194 -05 



+ 2-03 



254 



196-32 



193 -87 



+ 8 "45 



253 



193 -87 



193-69 



+ 0-18 



252 



194 -53 



193 -51 



+ 1-02 



251 



194 -48 



193 -32 



+ 1-16 



250 



192-97 



193 -15 



-0-18 



249 



193 '43 



192-95 



+ 0-48 



248 



194-58 



192-79 



+ 1*78 



247 



192 00 



192-51 



-0'51 



246 



192 -32 



192 -33 



-o-oi 



245 



191 -91 



192 -15 



-0-24 



244 



192 -28 



192 -07 



+ 0*21 



243 



190 -29 



191 -89 



-1-60 



Table XVI. — Value of Total Carapace Length for observed Length 

 of Telson. (Plymouth : 1000 individuals.) 



M c = 249-63 ; Q c = 4'55. M Te = 193*08 ; Q Te = 4 56. 



Length of Te. 



Mean associated 

 length of c. 



c when r = 0*18. 



Difference 

 observed, c. 



199 



259-18 



250*69 







+ 8*49 



198 



244-25 



250-51 



-6-26 



197 



250 -54 



250-33 



+ 0-21 



196 



249 -39 



250-15 



-0-76 



195 



249 '37 



249 '97 



-0-60 



194 



248 -8 L 



249 -79 



-0-98 



193 



248 -30 



249 61 



-1-31 



192 



249-27 



249 -43 



-0-16 



191 



247 '82 



249 -25 



-1-43 



190 



249 -36 



249 -07 



+ 0-29 



189 



248 -74 



248-90 



-0-16 



188 



248-91 



248-71 



+ 0-20 



