ORTHOPTERA. 
I.—CATALOG UES. 
SAMUEL H. ScupDDER.—A catalogue of the Orthoptera of North Amer- 
ica described previous to 1867. Smithsonian Institution. Miscella- 
neous Collections 189, 1868. 
An alphabetical, not synonymical, list of the Orthoptera described from 
North America; contains also a full bibliography up to 1867. 
J. SIDNEY SmitH.—Orthoptera of the State of Maine. <Proc. Port- 
land. Soc. Nat. Hist., 1868, pp. 143-151. 
A synonymical catalogue of the Orthoptera found in Maine, with notes on 
habits and distribution of the species. 
Cyrus THomas.—A list of the Orthoptera of Illinois. <Bull. Ills 
Mus. Nat. Hist., No. 1, 1876, pp. 59-69. 
A synonyinical list of the Orthoptera found in Illinois. 
II.—GENERAL WORKS ON CLASSIFICATION. 
J. G. AUDINET-SERVILLE.— Histoire naturelle des Insectes Orthop- 
teres. Paris, 1839, 776 pp., 14 plates. 
Natural history of the order up to date, with bibliography and list of species 
described. 
HENRI DE SAUSSURE.—Orthoptera nova Americana (Diagnoses pre- 
liminares). Series I-III. <Revue et Mag. de Zool., 185961. 
Contains synoptical tables of species, besides descriptions of numerous North 
American Orthoptera. 
SAMUEL H. ScUDDER.—Materials for a monograph of the North A meri- 
can Orthoptera. <Boston Journal of Nat. Hist., Vol. VII, 1862, 
pp. 409-480. 
Contains synoptical tables and a review of the system used for classification. 
SAMUEL H. ScuDDER.—Remarks upon the arrangement of the families 
of Orthoptera. <Proc. Boston Soc. Nat. Hist., Vol. XII, 1868-769 ; 
also separate under the title: Entomological Notes, Vol. LI, pp. 7-14. 
SAMUEL H. SCUDDER.—Synoptical tables for determining North Ameri- 
can insects. Orthoptera. <Psyche, Vol. I, 1876, pp. 169-171. 
Synopsis of the families of Orthoptera; also a list of useful works in the study 
of North American Orthoptera. 
53 
