Table S.— Analysis of covariance of adjusted means and slopes of Illex illecebrosus lenglh-weighl regressions. 



Test of adjusted means 



Tesi of slopes 



Adjusied means df 



F-ratio' 



df 



F-raiio 



a. Between sexes: all seasons, areas and years combined; by seasons (area and year pooled); by area (season and year 

 pooled); and by year (season and area pooled). 



I actor 

 Overall 

 Season; Spring 



Summer 



Autumn 



Mid-Atlantic 



Southern New England 



Georges Bank 



Gulf of Maine 



Nova Scotia 



1975 

 1976 



1977 



Area; 



Year: 



b. Between seasons: years, areas, and sexes pooled. 



Seasons 



Spring 



Spring 

 Summer 



vs. Summer 

 \s. Autumn 

 vs. .^utumn 



c. Between pairs of areas: sexes, seasons, and years pooled. 



Area comparison 

 Mid-Atlantic 



s. So. New England 



Mid-Atlantic 



vs. Georges Bank 



Mid-Atlantic 



Mid-Atlantic 



, Gulf of Maine 



5.3363 



5.4031 



vs. Nova Scotia 



S. New England 



vs. Georges Bank 



S. New England 



vs. Gulf of Maine 



S. New England 



vs. Nova Scotia 



5.3024 

 5.4031 



George Bank 



vs. Gulf of Maine 



Georges Bank 



vs. Nova Scotia 



Gulf of Maine 



vs. Nova Scotia 



N/A 



N/A 



N/A 



N/A 



734 



N/A 



N/A 



N/A 



6.603* 



13.956* 



d. Between pairs of years: sex, seasons, and areas combined. 



> ear comparison 

 1975 



1975 



1976 



vs. 1976 



1977 



vs. 1977 



5.3681 

 5.3348 



960 



N/A 



7.208** 



'* = P^0.05; •' = PiiO.Ol; n.s. = nol significant. 



-N/A = lest of adjusted means not applicable since lest of slopes is significant. 



1.193 

 1.637 



940 



924 



1,430 



733 



717 



1,177 



1.161 



464 



5.310* 



26.050** 



0.131 n.s. 



250.813** 



60.111" 



0.204 n.s. 



401.683* 



6.754* 



159.471** 



124.460** 



15 



