Dr. Steinmann Henrik szerk.: Folia Entomologica Hungarica 23/1-12. (Budapest, 1970)

In summarizing the typical and the general, an extraordinary amount of reference work had to he done, with also a lot of completely new dissecting exposures: the anatomical investigation of many types. The majority of the authors go namely their very own ways thus rendering any homologization extremely difficult both as to their works and publications, so that their generally most precise and dependable results can be used for comparative purposes only after extensive and more general preliminary studies - if at all. Even highly reputable anatomists made or still make the mistake of executing the anatomical exposition and the subsequent description non in its totality but in certain details and then follow the line of least resistance by applying their own terms, numbers, or symbols in defining the exposed and described details instead of using anatomical designations. Thus they occasionally set a hopeless task for those who wish to compare their data with the results of own investigations. A disregard of the common terminology in comparative anatomy necessarily leads into such a labyrinth of confusion that work turns into either a mass of inexact data of becomes the spring of erroneous identifications and results. In our days comparative work became simple and securely surveyable in mainly the vertebrate groups of the diverse systematical categories ever since a series of anatomical atlases, collating the various types, came into being - they are available as constant tools to the anatomist just like the maps subserve the aims of the geographer. Such a tool is not even in preparation with respect to the insects. In the last few years I have collated, primarily by literature work and by my own anatomical studies, all anatomical details concerning the insect head which might be regarded as common for this region of the body. In the course of work the revision of the anatomical regions of the insect head had to be considered anew, since the applied subdivisions of topographical