86 WORKS ON NORTH AMERICAN ENTOMOLOGY. 
Batu, E. D.—A review of the Tettigonide of North America, north 
of Mexico. <Proc. Iowa Acad. Sci., viii, pp. 35-75, pls. 7, 1901. 
CERCOPID. 
Gop1ne, F. W.—Synopsis of the subfamilies and genera of the North 
American Cercopide, with a bibliographical catalogue of the 
described species. <Bul. Ill. State Lab. Nat. Hist., m1, pp. 
483-501, 1895. 
Batu, E. D.—A study of the genus Clastoptera. <Proc. lowa Acad. 
Sci., 11, pp. 182-193, pls. 4, 1896. 
A review of the Cercopide of North America, north of Mex- 
ico. <Proc. Iowa Acad. Sci., v1, pp. 204-226, 1900. 
FULGORID.E. 
Westwoop, J. O.—On the family Fulgoride, with a monograph of 
the genus Fulgora of Linneus. <Trans. Linn. Soc. Lond., xvii, 
pp. 138-288, pl. 1, 1839. 
Sra, C.—Die amerikanischen Fulgoriden-Gattungen synoptisch be- 
schrieben. <Stett. ent. Zeit., xxx1, pp. 255-258, 1870. 
Asumnap, W. H.—A generic synopsis of the Fulgoride. <Ent. 
Amer., 1888, pp. 1-6, 21-28. 
Van Duzer, E. P.—A preliminary review of the North American 
Delphacide. <Bul. Buffalo Soc. Nat. Sci., v, pp. 225-261, 1897. 
Observations on some northern Derbide. <Can. Ent., 1889, 
pp. 159, 176. 
Unter, P. R.—Aids to a recognition of some North American genera 
and species of the old family Fulgoride. <Trans. Maryland 
Acad. Sci., 1900, pp. 401-408. 
Treats of the species of Scolops. 
Swezey, O.—A preliminary catalogue of the described species of the 
family Fulgoride of North America, north of Mexico. <Bul. 
3, Ohio Nursery and Orchard Inspection, pp. 48, 1904. 
Van Duzur, E. P.—Studies in North American Fulgoride. <Proc. 
Acad. Nat. Sci. Phila., 1907 (1908), pp. 467-498. 
Tables to species of several genera. 
Meticuar, L.—Monographie der Issiden. <Abh. zool.-bot. Ges. 
Wien, 1906, pp. 327. 
Monographie der Acanaloniiden und Flatiden. <Ann. Hof- 
mus. Wien., xvi, pp. 178-238, 1901; ibid., xvir, pp. 1-253, pls. 9, 
1902. 
