Abstract
The entomologist must examine every specimens and search for all literatures which contains certain descriptive work, retrospectively to 1758. Therefore, entomological identification calls for the reference tools for all species which have described after Linnaeus. So I attempt to compile a cummulative entomological index or thesaurus which contains whole scientific names. This index shculd indicat the possossion of the type-specimens, and contain the lists of literatures and all synonyms. This essay especially treat of problems of synonyms.
