88 WORKS ON NORTH AMERICAN ENTOMOLOGY. 
Ritry, C. V., and Monett, J.—Notes on the Aphididee of the United 
States, with descriptions of species occurring west of the Missis- 
sippl. <Bul. U. S. Geol. and Geog. Surv., v, pp. 1-382, pls. 2, 
1879. 
Riley gives the biology and description of several Pemphiginze; Monell, 
descriptions, with occasional tables, of a number of Aphidin. 
Tuomas, C.—Eighth Report of the State Entomologist on the nox- 
ious and beneficial insects of the State of Dllinois. <3d Ann. 
Rep., by Cyrus Thomas, Springfield, 1879. 
The report treats wholly on the Aphidide of the United States and is 
an enlargement of the author’s paper in the Transactions of the 
Illinois Horticultural Society, 1877. 
Bucxton, G. B.—Monograph of the British Aphides. 4 vols. Lon- 
don, Ray Society, 1875-1883. 
This is the latest Huropean work on this family, containing tables for 
the determination of the genera. 
OxrstLuND, O. W.—Synopsis of the Aphididae of Minnesota. <Bul. 
4, Geol. and Nat. Hist. Surv. Minn., St. Paul, 1887. 
AsumeEap, W. H.—A generic synopsis of the Aphidide. <Ent. 
Amer., 1889, pp. 185-189. 
Wiuiams, T. A.—Host-plant list of North American Aphidide. 
<Spec. Bul. 1, Univ. Nebr., Dept. Ent., 1891. 
Licirenstrin, J.—Les Pucerons, premiere partie. Genera (all pub- 
lished). Paris, 1885, pp. 185. 
Hunter, W. D.—The Aphidide of North America. < Bul. 60, Iowa 
Agr. Exp. Sta., pp. 188, 1901. 
Sanporn, C. E.—Kansas Aphididx, with catalogue of North Amer- 
ican Aphidide and host-plant and plant-host list. <Kans. 
Univ. Sci. Bul., 11, pp. 3-82, 225-274, pls. 22, 1905, 1906. 
Prercanpe, THro.—North American Phylloxerine affecting Hicoria 
(Carya) and other trees. <Proc. Davenport Acad. Sci., rx, pp. 
185-273, pls. 21, 1904. 
Jackson, C. F.—A synopsis of the genus Pemphigus, with notes on 
their economic importance, life history, and geographical dis- 
tribution. <Proc. Columbus ‘Hort. Soc., 1907, pp. 160-218, 
1908. 
Table of genera of Aphidide. 
ALEYRODIDA. 
Quarntance, A. L.—Contributions toward a monograph of the Amer- 
ican Aleurodide. <Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., 
pp. 1-64, 1900. 
— Fam. Aleyrodide. <Gen. Ins., Fase. 87, pp. 11, pls. 2, 1909. 
