MICHIGAN ACADEMY OF SCIENCE. 



107 



B. NON-HOMOLOGOUS JOINTS. 



Joints. 



Legs I— II. 



Legs II— III. 



Meripodite-propodite .9578± .0033 .9626± .0030 



Propodite-meripodite I .9440± .0044 .9670± .0026 



Mean I .9509± .9648± 



Legs I— III. 



.9646± .0028 

 .9539+ .0036 

 .9592± 



TABLE VI. 



A. HOMOLOGOUS JOINTS. 



B. NON-HOMOLOGOUS JOINTS. 



In Table V. the mean coefficient for homologous joints is .9693 ±.0010, and the mean 

 coefficient for non-homologous joints .9583 ± ,0022. In comparing meripodite correla- 

 tions we have: mean coefficient (homologous joints) — mean coefficient (non-homologous 

 joints)=.9693-.9583=.0110±.0024. 



In Table VI. the mean coefficient for homologous joints is .9551 ±.0036, and the mean 

 coefficient for non-homologous .9583 ±.0022. For propodite correlations we find then 

 as follows: Mean coefficient (non-homologous joints) — mean coefficient (homologous 

 joints)=.9583-.9551=.0032±.0042. 



Combining Tables V. and VI., or in other words, excluding from Table I. all correlation 

 coefficients in which a carpopodite enters as one of a correlated pair, we have Table VII. 



TABLE VII. 



A. HOMOLOGOUS JOINTS. 



Joints. 



Meripodite-meripodite 



Propodite-propodite. . 



Mean 



Legs I— II. 



.9665± .0026 

 .9506± .0039 

 .9585 



Legs II— III. 



.9729± .0021 

 9678 ± .0025 

 .9703 



Legs I— III. 



.9686± .0025 

 .9468± .0042 

 .9577 



B. NON-HOMOLOGOUS JOINTS. 



