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.