Vol. xx v] ENTOMOLOGICAL NEWS. klassification der sozialen Vespiden, 467, xxxvi, 303-330. Grae-nicher, S. Wisconsin bees of the genus Perdita. Geographical distribution and relations to flowers, 4, 1914, 51-57. Kieffer, J. J. Trois nouveaux Dryinides, 87, 1914, 90-91. Morice, F. D. Illustra-tions of specific differences in the saws of female Dolerids, 36, 1913, 428-35. Silvestri, F. (See under Diptera.) Viereck, H. L. Type species of the genera of ichneumon flies, 174, No. 83, 186 pp. CECIDOMYIIDAE, by J. J. KIEFFER, Genera Insectorum, Fascicle 152, pp. 346, pis. 15, 1913. This comprehensive work lists some 2500 species and 330 genera from all parts of the world. It is more than a list of the species, since it is a generic synopsis and contains keys for the separation of the various groups. It is well printed, the plates are admirably exe-cuted and the copious three-column index, occupying 19 quarto pages, makes the contents most accessible. The work has been prepared by one who has spent years of productive labor upon the group and has probably seen more genera and species of gall midges than any one else. The classification in this generic synopsis and list of species should therefore represent the latest and most advanced taxonomic ideas. The following tabulation gives the author's arrangement in outline and may be advantageously scrutinized : SYNOPSIS OF KIEFFER'S CATALOGUE OF CECIDOMYIIDAE. The subfamilies remain about as they have been in recent years. There are some changes in the Cecidomyinae with which we are not in full sympathy. One is the combination of the Dasyneuriariae with
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