64 



Geokge B. Buckton.— Monograph of the British Aphides. 4 vols. 



Ray Society, London, 1875-1883.. 



This is the latest European work on this family, containing tables for the 

 determination of the genera. 

 O. W. Oestlund.— Synopsis of the Aphididee of Minnesota. <BuI. 



No. 4, Geolog. and Nat. Hist. Survey of Minn., St. Paul, 1887. 

 W. H. AsHMEAD.— A generic synopsis of the AphididsB. <Entom. 



Amer., 1889, pp. 186-189. 

 T. A. Williams.— Host-plant list of North American Aphididae. 



Spec. Bui. No. 1, Univ. Nebr., Dept. Entom., 1891. 



ALEURODID.*;. 



A. L. QuAiNTANCE. — Contributions toward a monograph of the 

 American Aleurodidse. <Bul. No. 8, Technical series, Div. 

 Entom., U. S. Dept. Agric, 1900, pp. 1-64. 



COCCID^. 



V. SiGNORET. — Essai sur les Cochenilles. <Ann. Soc. Entom. de 

 France, 1868-1876. 



J. H. CoMSTOCK. — Report on scale insects. <Annual Report of the 

 Commissioner of Agriculture for the year 1880, Washington, 1881, 

 pp. 276-349, pis. 



J. H. CoMSTOCK. — Second Report on scale insects, including a mono- 

 graph of the subfamily Diaspinse of the family Coccidse and a list, 

 with notes, of the other species of scale insects found in North 

 America. <Second Report of the Cornell University Experi- 

 ment Station, 1882-83, Ithaca, N. Y., 1883, pp. 47-143, Pis. I-IV. 



W. H. AsHMEAD. — A generic synopsis of the Coccidse. <Trans. 

 Amer. Entom. Soc, 1891, pp. 92-102. 



T. D. A. CocKEKELL. — Tables for the determination of the genera of 

 Coccidse. <Can. Entom., 1899, pp. 273-279; 330-333. 



T D. A. CocKERELL. — A check-list of. the Coccidas. <Bul. 111. St. 

 Lab. Nat. Hist, Vol. IV (1896), pp. 318-339. 



T. D. A. CocKERELL. — First supplement to the check-list of the Coc- 

 cidse. <Bul. 111. St. Lab. Nat. Hist., Vol. V (1899), pp. 389- 

 398. 



T. D. A. CocKERELL.— A check-Ust of the Nearctic Coccidse. <Can. 

 Entom., 1894, pp. 31-36. 



T. D. A. CocKERELL.— Table of North American Kermes, based on 

 external characters. <Psyche, Vol. 9 (1900), pp. 44-45. 



W. Newell.— On the North American species of the subgenera 

 Diaapidiotus and Hemiberlesia, of the genus Aspidiotus. <Con- 

 trib. Dept. Zool. Entom., Iowa St. Coll. Agric. and Mech. Arts, 

 No. 3, August, 1899, 



