Mr. F. M. van der Wulp, the well-known Dutch dipterologist, has recently published, in the Tijdschrift voor Entomologie, vol.35, pp. 183–195, short dignoses of a large number of new species and several new genera of Mexican Tachinidæ sens. lat. Of these, there are 33 new species and 4 new genera which belong to the above four groups. Of such well known and well-worked genera as Trichopoda, there are 4 new species; of Hyalomia, 10 new species; of Cistogaster 8 new species!