368 FISHERY BULLETIN OF THE FISH AND "WILDLIFE SERVICE 



Table 3. — Comparison of Hawaiian data and pooled American wesl-coast data by covariance analysis, linear regressions 



Source of variation 



Degrees of 

 freedom 



Sum of 

 squares 



Mean 

 square 



Variance 

 ratios 



Head length: 



Deviations from total regression 



Deviations from regressions within regions 



Differences between regions 



Differences between regression coefficients. 



Differences between adjusted means _, 



Snoat to insertion first dorsal: 



Deviations from total regression 



Deviations from regressions within regions. 



Differences between regions... 



Differences between regression coefficients. 



Dilferences between adjusted means 



Snout to insertion ventral: 



Deviations from total regression 



Deviations from regressions within regions 



Differences between regions... 



Differences between regression coefficients. 



Differences between adjusted means 



Snout to insertion second dorsal: 



Deviations from total regression 



Deviations from regressions within regions 



Differences between regions. 



Differences between regression coefficients. 



Differences between adjusted means 



Snout to insertion anal: 



Deviations from total regression 



Deviations from regressions within regions 



Differences between regions 



Differences l)etween regression coefBcients. 

 Dilferences between adjusted means 



2,158 

 2,156 



2 

 1 



1 



2,156 

 2,164 



2 

 1 

 1 



2,110 

 2,108 



2, 156 

 2, 154 



2, 153 

 2,151 



73,920 

 32,698 



41. 222 



6,267 



34, 966 



67, 803 

 61, 427 



16, 376 

 3,431 

 12,945 



87, 708 

 51, 946 



35. 762 



7,709 



28, 053 



102, 228 

 77, 765 



24. 463 



4.263 



20.200 



128,518 

 75, 808 



62,710 

 12.017 

 40. 693 



20,611 

 6,267 



23.88 



8,188 

 3,431 



17,881 

 7,709 



30. 10 



12, 232 

 4,263 



35.24 



26, 355 

 12,017 



20,611 



= 1.3.59.0 



6. 267 _ 

 1.6. 17" 



8, 188^ 

 23.88~ 



3,431 

 23.88~ 



= 72.6.' 



- = 3I2.: 



12.232 

 36. 10 ~ 



4.263 



26, 355 

 35. 24 ~ 



12.017 

 35.24 



= 341.0 



Table 4. — Comparisons of Hawaiian data and Schaefer^s Costa Rican data by covariance analysis, linear regressions 



Source of variation 



Head length: 



Deviations from total regression 



Deviations from regressions within regions 



Differences between regions 



Differences between regression coefficients. 

 Differences between adjusted means 



Snout to insertion first dorsal: 



Deviations from total regression 



Deviations from regressions within regions. 



Differences between regions 



Differences between regression coefficients. 



Differences between adjusted means 



Snout to insertion second dorsal: 



Deviations from total regression 



Deviations from regression within regions. 



Differences between regions... _ 



Differences between regression coefficients- 

 Differences between adjusted means 



Snout to insertion anal: 



Deviations from total regression 



Deviations from regression within regions.. 



Differences between regions 



Differences between regression coefficients. 

 Differences between adjusted means 



Degrees of 

 freedom 



241 



239 



245 

 243 



2 

 1 

 1 



246 

 244 



246 

 244 



Sum of 

 squares 



10. 649 

 9.399 



1,250 



143 



1,107 



16. 568 

 14, 550 



2,008 



652 



1,456 



35, 349 

 30, 097 



5, 2.52 



164 



5,088 



36, 130 

 23.210 



12. 920 



.536 



12, 384 



Mean 

 square 



39.33 



625 



143 



1,107 



59. 88 



1,004 

 552 



123. 35 



2,626 



164 



5.088 



6,460 

 636 



Variance 

 ratios 



625 

 39.33 



143 

 39.33 

 1,107 

 39.76° 

 1,004 _ 

 59.88° 



552 



2,626 

 123.36° 



164 

 123.35" 

 8,088 

 123.51° 



6,460 

 96. 12° 



636 ^ 

 95. 12" 



= 15.89 



= 13.64 



1 1. 33 



^67.91 



' Not significant. 



