507519 CHIA-NAN ANNUAL BULLETIN VOL. 2 9, PP. 507 519, 2003 507
508
509
510
511 ± ± ±
512 ± ± ±
513 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±
514 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±
515 ± ± ± ± ±
516
517
518
519
520 CHIA-NAN ANNUAL BULLETIN VOL. 2 9, PP. 5075 19, 2003