OF WASHINGTON. 21 13. Culex bisulcatus Coq. 14. Culex conservator D. & K. 15-Wyeomyia grayii Theob. 16. Sabethoides undosus Coq. 17. Wyeomyia ulocoma Th'eob. 18. Trichoprosopon nivipes Theob. 19. Aedes insolita Coq. 20. Aedes knabi Coq. 21. CM/*?* mutator D. & K. 22. Mochlostyrax urichii Coq. 23. Aedes albonotata Coq. 24. Wyeomyia asullepta Theob. The following papers by members of the Society have been accepted by the publication committee : CLASSIFICATION OF THE FORAGING AND DRIVER ANTS, OR FAMILY DORYLID^E, WITH A DE SCRIPTION OF THE GENUS CTENOPYGA ASHM. By WILLIAM H. ASHMEAD, M.A., D.Sc. In the Canadian Entomologist for November, 1905, pages 381 to 384, I gave a skeleton of a new arrangement of the families, subfamilies, tribes, and genera of the Ants, or the superfamily Formicoidea in which several new genera were indicated. Among these was the genus Ctenopyga, from Mexico, which I now describe and figure, after giving analyt ical tables for recognizing the three subfamilies, the tribes, and the genera falling in each, according to the three sexes, worker, female, and male, when known, taken from my forth coming classification of the Ants, or the superfamily Formi coidea. Family XLIIL DORYLID^. The ants belonging to this family are held together and easily separated from those of other families by habits and by peculiarities of structure, the females being nearly always wing less, the workers having the antennae inserted much farther forward on the head, close to the anterior margin, and by the genitalia of the males which differ widely from those of other ants, the terminal ventral plate, or the hypopygium, being broad and deeply semicircularly emarginated, forked or bispined.
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