A. H. HALIDAY.--An Epitome of the British genera in the Order Thysanoptera, with indications of a few of the species. <Entomol. Mag., Vol. III, 1836, pp. 439-451. DIPTERA. H. LOEW AND C. R. OSTEN-SACKEN.--Monographs of the Diptera of North America. (Smithsonian Miscellaneous Collections.) 4 parts. Washington, Smithsonian Institution, 1862-'72. The several monographs will be found enumerated under the respective families. H. LOEW.--Diptera Americae septentrionalis indigena. 2 parts. Berlin, 1861-'72. (Originally published in 10 centuriae in the Berliner Entomol. Zeitschrift.) Descriptions of 1,000 North American Diptera, but without synoptic arrangement. C. R. OSTEN-SACKEN.--Western Diptera: Descriptions of new genera and species of Diptera from the region west of the Mississippi and especially from California. <Bull. U. S. Geolog. and Geogr. Survey of the Territories, Vol. III, 1877, pp. 189-354. F. BRAUER.--Die Zweifluegler des Kaiserlichen Museums zu Wien. I-III. Wien, 1880-'83. Important contributions to the classification of the Diptera. ORTHOPTERA. HENRI DE SAUSSURE.--Orthoptera nova Americana (Diagnoses praeliminares). Series I-III. <Revue et Mag. de Zool., 1859-'61. Contains synoptical tables of species, besides descriptions of numerous North American Orthoptera. SAMUEL H. SCUDDER.--Materials for a monograph of the North American Orthoptera. <Boston Journal of Nat. Hist., Vol. VII, 1862, pp. 409-480. Contains synoptical tables and a review of the system used for classification. ---- Remarks upon the arrangement of the families of Orthoptera. <Proc. Boston Soc. Nat. Hist., Vol. XII, 1868-'69; also separate under the title: Entomological Notes, Vol. II, pp. 7-14. ---- Synoptical tables for determining North American insects. Orthoptera. <Psyche, Vol. I, 1876, pp. 169-171. Synopsis of families; also list of useful works in the study of North American Orthoptera. NEUROPTERA. HERMANN HAGEN.--Synopsis of the Neuroptera of North America, with a list of the South American species. Smithsonian Miscellaneous Collections, Washington, 1861. ---- Synopsis of the Odonata of America. <Proc. Boston Soc. Nat. Hist., Vol. XVIII, 1875, pp. 20-96. SIR JOHN LUBBOCK.--Monograph of the Collembola and Thysanura. London, Ray Society, 1873. The introduction gives the full bibliography up to date. MYRIAPODA. THOMAS SAY.--Descriptions of the Myriapoda of the United States. <Journ. Ac. Nat. Sc. Phil., Vol. II, 1821, pp. 102-114; Say's Entom. Writings, ed. Le Conte, Vol. II, pp. 24-32. This is the first paper of importance on the North American Myriapoda. GEORGE NEWPORT.--Monograph of the class Myriapoda, Order Chilopoda. <Trans. Linnean Soc. of London, Vol. XIX, 1845, pp. 265-302 and 349-439.