COMMENTS ON THE SUPRA-SPECIFIC CATEGORIES OF NEARCTIC TABANIDAE (DIPTERA)
COMMENTS ON THE SUPRA-SPECIFIC CATEGORIES OF NEARCTIC TABANIDAE (DIPTERA)
复制标题
对近北界蠹科(双翅目)超特异类别的评论
作者:
C. Philip
As material increases and taxonomic information is refined in any group of organisms, it is a natural corollary that the systematic arrangement by its students should be in the direction of progressive limitation, restriction, or subdivision to facilitate either or both recognition and knowledge of natural relationships.