HEMIPTERA. 
Heteroptera. 
I.— CATALOGUES AND CHECK-LISTS. 
F. A. Dohrn. — Catalogus Hemipterorum. Stettin, 1859. 
Philip R. Uhler. — Check- List of the Hemiptera Heteroptera of North 
America. Published by the Brooklyn Entom. Soc., 1886. 
II.— GENERAL WORKS ON CLASSIFICATION. 
C. W. Hahn und G. A. W. Herrich-Schaeffer. — Die wauzenartigen 
Insecten. 10 vols. Nuernberg , 183 l-’53. 
C. J. B. Amyot et J. G. Audinet-Serville. — Hemipteres. Suites 
a Buffon. Histoire Naturelle des Insectes. Paris, 1843. 
C. Stal. — Analecta hemipterologica. Berlin, 1866-’69. 3 parts. Orig- 
inally published in the Berlin, entom. Zeitschr. 
C. Stal. — Bidrage till Hemipterernas Systematik. Stockholm, 1867. 
O. Stal. — Hemiptera Fabriciana, secundum exempla Musei Hafnieusis 
et Kieliensis descripta. 2 parts. Stockholm, 1868-’69. 
J. G. Schioedte. — Einige neue Hauptsatze der Morphologie und Syste- 
matik der Rhynchoteu. <Naturh. Tidskr., 1869, p. 237ff. 
P. R. Uhler. — List of Hemiptera of the region west of the Mississippi 
River, including those collected during the Hayden explorations of 
1873. <Bull. U. S. Geol. and Geogr. Survey of the Terr., Yol. I, 
1875, pp. 267-361, PI. XIX-XXI. 
P. R. Uhler. — -Report upon the insects collected by P. R. Uhler during 
the exploration of 1875, including monographs of the families 
Cynidse and Saldse, and the Hemiptera collected by A. S. Pack- 
ard], jr., M. D. <U. S. Geolog. and Geogr. Survey, Bulletin, Vol. 
Ill, No. 2, 1877, pp. 355-475. 
0. Stal. — Enumeratio Hemipterorum. Bidrag till eu forteckning ofver 
alia hitilis kanda Hemiptera (or : Index specierum omnium hucusque 
cognitarum cum observatiouibus systematicis). <Kongl. Sveusk. 
Vet.-Akad. Handl., 1870-’77, 5 parts. 
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