DAHL, FR. 1910. Milben als Erzeuger von Zellwucherungen. Centralbl. Bakt. Jena. Abt. 1, liii, Originale, p. 524-533. DALLA TORRE, DR. K. VON. 1908. Anoplura. Genera Insectorum. Fasc. 81, p. 1-22. DARLING, S. T. 1913. The part played by flies and other insects in the spread of infectious diseases in the tropics, with special reference to ants and to the transmission of Tr. hippicum by _Musca domestica_. Trans. 15th Intern. Congress on Hygiene and Demography, Washington, iv, p. 182-185. DOANE, R. W. 1910. Insects and disease. 8vo. New York, Holt & Co. (xiv + 227 p.). DOERR, H. and RUSS, V. 1913. Die Phlebotomen. In Mense's Handbuch der Tropenkrankheiten, i, p. 263-283, pls. 11-12. DOFLEIN, F. 1911. Lehrbuch der Protozoenkunde, 3 ed. 4^o. Jena. G. Fischer (xii + 1043 p.). DUFOUR, L. 1833. Recherches anatomiques et physiologiques sur les Hémiptères. Mém d. savant etrang. à l'Acad. d. Sc. iv, p. 129-462. DUGES, A. 1836. Observations sur les Aranéides. Ann. sci. nat. (zool.) Paris. (Sér 2) vi, 159-218. DUTTON, J. E. and TODD, J. L. 1905. The nature of human tick fever in the eastern part of the Congo Free State, with notes on the distribution and bionomics of the tick. Liverpool School Trop. Med. Mem. xvii, p. 1-18. DYAR, H. G. 1906. Key to the known larvæ of the mosquitoes of the United States U. S. Dept. Agric. Bur. Ent. Circ. 72, p. 1-6. DYAR, See Howard, Dyar and Knab. DZIEDZICKI. See Schnabl. ENDERLEIN, G. 1901. Zur Kenntniss der Flöhe und Sandflöhe. Zool. Jahrb. (Syst.) xiv, p. 548-557, pl. 34. ---- 1904. Lause-Studien. Ueber die Morphologie, Klassifikation und systematische Stellung der Anopluren, nebst Bemerkungen zur Systematik der Insektenordnungen. Zool. Anz. xxviii, p. 121-147. ESTEN, W. M. and MASON, C. J. 1908. Sources of bacteria in milk. Storrs Agric. Exp. Sta. Bul. li, p. 65-109. EWING, H. E. 1912. The origin and significance of parasitism in the Acarina. Trans. Acad. Sci. of St. Louis. xxi, p. 1-70. pls. i-vii. EYSELL, A. 1913. Die Krankheitsereger und Krankheitsüberträger unter den Arthropoden. See, Mense (1913). FELT, E. P. 1904. Mosquitoes or Culicidæ of New York State. N. Y. State Museum. Bul. 79. p. 241-391. 57 plates. ---- 1913. Queen Blow-fly. Georgian flesh-fly. 28th rept. of the State Entomologist. p. 75-92. FINLAY, CHARLES J. 1881 et seq. Trabajos selectos. Selected papers. Republica de Cuba. Secretaria de Sanidad y Beneficencia. Havana 1912. xxxiv + 657 p. FORBES, S. A. 1912. On black-flies and buffalo-gnats, (_Simulium_), as possible carriers of pellagra in Illinois. 27th Rept. of the State Entomologist of Illinois, p. 21-55. FOREL, A. 1878. Der Giftapparat und die Analdrüsen der Ameisen. Zeitschr. wiss. Zool. xxx, p. 28-68. FOX, G. H. 1880. Photographic illustrations of skin disease. 4^o. New York, E. B. Treat.