Table 1.

Results of the regressions of standard length against biomechanical variables in the feeding mechanism of H. colliei. (Bonferroni corrected p=0.0038.)

variable	regression equation (log Y=alogSL+b)
	slope (a)	intercept (b)	r2	t-score(6)	p-value
head width (cm)	0.80	−0.65	0.93	2.280	0.0314
head height (cm)	0.86	−0.54	0.97	2.456	0.0247
adductor mandibulae anterior-α CSA (cm2)	2.32	−3.80	0.95	1.409	0.1042
adductor mandibulae anterior-β CSA (cm2)	2.37	−3.79	0.92	1.347	0.1133
adductor mandibulae posterior CSA (cm2)	1.69	−3.62	0.82	0.949	0.1896
in-lever (cm)	1.25	−1.79	0.96	2.492	0.0235
anterior out-lever (cm)	0.83	−0.90	0.95	2.285	0.0312
posterior out-lever (cm)	0.63	−1.02	0.71	2.276	0.0316
anterior mechanical advantage	0.41	−0.87	0.60	2.993	0.0121
posterior mechanical advantage	0.61	−0.76	0.50	2.468	0.0243
electrically stimulated anterior bite force (N)	2.34	−2.06	0.74	0.593	0.2874
theoretical anterior bite force (N)	3.13	−3.09	0.99	9.397	<0.0001
theoretical posterior bite force (N)	3.12	−2.74	0.97	5.105	0.0011