Table 4. Results for Mann-Whitney U test and Pearson correlation test for specimens from Japanese islands, Korean peninsula and Kinmen Island, Taiwan (Indicated in short as Japan, Korea and Taiwan in the table). Results with Holm Bonferroni correction.

	Relative warps (RW)		Result of U-test (P=)			Singular values (%)	Linear r/P value (RW/centroid size)	Linear r/P value (Country/ centroid size)
			Japan	Korea	Taiwan
Cranium: Dorsal view	RW1	Japan		0.015	0.249	33.18	0.403	0.383
		Korea	0.015		0.496			0.307
		Taiwan	0.249	0.496				0.427
	RW2	Japan		0.025	0.835	15.62	0.000	0.183
		Korea	0.025		0.011			0.000
		Taiwan	0.835	0.011				0.952
	RW3	Japan		0.466	0.676	14.27	0.003	0.486
		Korea	0.466		0.734			0.375
		Taiwan	0.676	0.734				0.508
	RW4	Japan		0.005	0.296	9.37	0.498	0.834
		Korea	0.005		0.080			0.416
		Taiwan	0.296	0.080				0.410
Cranium: Ventral view	RW1	Japan		0.466	0.766	21.30	0.733	0.340
		Korea	0.466		0.245			0.824
		Taiwan	0.766	0.245				0.688
	RW2	Japan		0.007	0.037	14.42	0.403	0.922
		Korea	0.007		0.245			0.522
		Taiwan	0.037	0.245				0.232
	RW3	Japan		0.072	0.037	12.11	0.071	0.181
		Korea	0.072		0.039			0.390
		Taiwan	0.037	0.039				0.771
	RW4	Japan		0.065	0.371	8.91	0.114	0.638
		Korea	0.065		0.796			0.141
		Taiwan	0.371	0.796				0.264
Mandible	RW1	Japan		0.940	0.178	26.62	0.193	0.045
		Korea	0.940		0.073			0.051
		Taiwan	0.178	0.073				0.995
	RW2	Japan		0.269	0.623	20.02	0.257	0.694
		Korea	0.269		0.628			0.288
		Taiwan	0.623	0.628				0.677
	RW3	Japan		0.042	0.111	17.19	0.001	0.214
		Korea	0.042		0.104			0.024
		Taiwan	0.111	0.104				0.069
	RW4	Japan		0.219	0.178	9.34	0.708	0.480
		Korea	0.219		0.442			0.312
		Taiwan	0.178	0.442				0.705

Significance with P<0.05, P<0.025 for the second smallest P value, P<0.017 for the smallest P value. Numbers in bold and italic indicate significance.