62 



Charles William Woodworth.— North American Typhlocybini. 



<Psyche, Vol. V (1889), pp. 211-214. 

 C. P. Gillette. — American leaf hoppers of the subfamily Typhlocy- 



binse, <Proc. U. S. Nat. Mus., Vol. XX (1898), pp. 709-773. 

 H. Osborn. — The genus Scaphoideus. <Journ. Cin. Soc. Nat. Hist.. 



Vol. XIX (1900), pp. 187-209, 2 pis. 



CERCOPHXE. 



V. Signoret. — Revue critique du groupe des Tettigonides et de la 

 tribu des Cercopides. <Revue et Mag. de Zool., Vol. V, 1853, 

 pp. 173-181. 



F. W. Goding. — Synopsis of the subfamilies and genera of the North 

 American Cercopidas, with a bibliographical catalogue of the 

 described species. <Bul. 111. State Labor, Nat. Hist., Vol. Ill 

 (1895), pp. 483-501. 



E. D. Ball. — A study of the genus Clastoptera. <Proc. Iowa 

 Acad. Sci., Vol. Ill (1896), pp. 182-193, 4 pis. 



FULGORID^E. 



J. O. Westwood. — On the family Fulgoridie, with a monograph of 



the genus Fulgora of Linnaeus. <Trans, Linn. Soc. London, 



Vol. XVIII, 1839, pp. 133-238, 1 pi. 

 C. Stal. — Die amerikanischen Fulgoriden-Gattungen synoptisch be- 



schrieben. <Stettiner entom. Zeit., Vol. XXXI, 1870, pp. 255- 



258. 

 W. H. Ashmead. — A generic synopsis of the Fulgoridae. <Entom. 



Amer., 1888, pp. 1-6, 21-28. 

 E. P. Van Duzee. — A preliminary review of the North American 



Delphacida3. <Bul. Buffalo Soc. Nat. Sci., Vol. V (1897), pp. 



225-261. 



E. P. Van Duzee. — Observations on some northern Derbidae. <Can. 



Entom., 1889, pp. 159 and 176. 

 P. R. Uhler. — Aids to a recognition of some North American genera 

 and species of the old family Fulgoridae. <Trans. Maryland 

 Acad. Sci., 1900, pp. 401-408. 

 Treats of the species of Scolops. 



MEMBRACIDJS. 



C. Stal. — Bidrag till Membracidernas Kannedom. <Ofver. af Kongl. 

 Vet.-Akad. ForhandL, 1869. 



F. W. Goding. — Bibliographical and synonymical catalogue of the 



described Mernbracidre of North America. <Bul. 111. St. Lab. 

 Nat. Hist., Vol. Ill (1894), pp. 391-482. 



