47 



PARNID^E. 



John L. LeConte.— Synopsis of the Parnidss of the United States. 

 <Proc. Acad. Nat! Sci. Phila., Vol. VI, 1852, pp. 41-45. 



George H. Horn. — Synopsis of the Parnidee of the United States. 

 <Trans. Amer. Entom. Soc, Vol. Ill, 1870, pp. 29-42. 



HETEROCERID^E. 



George H. Horn. — ^he species of Heterocerus of Boreal America. 

 <Trans. Amer. Entom. Soc, 1890, pp. 1-17. 



DASCYLLID^. 



John L. LeConte. — Synopsis of the Atopidse, Rhipiceridse, and Cy- 

 phonida? of tho United States. <Proc. Acad. Nat. Sci. Phila., 

 Vol. VI, 1853, pp. 350-357. 



George H. Horn. — Synopsis of the Dascyllida? of the United States. 

 <Trans. Amer. Entom. Soc, Vol. VIII, 1880, pp. 76-114, plate. 



RHIPICERID^. 



John L. LeConte. — [See paper just cited under Dascyllidse.] 

 George H. Horn. — Notes on Elateridre, Cebrionidse, Rhipiceridae, 

 and Dascyllida3. <Trans. Amer. Entom. Soc, Vol. IX, 1881, 



pp. 85-86. 



elaterid^:. 



John L. LeConte. — Revision of the Elateridee of the United States. 

 <Trans. Amer. Philos. Soc, n. ser., Vol. X, 1853, pp. 405-508. 



E. de Candeze. — Monographie des Elaterides. 4 vols, and 3 supple- 

 ments. Liege, 1857-1881. 



H. de Bonvouloir. — Monographie de la famille des Eucnemides. 

 < Ann. Soc Entom. de France, 4 ser. , T. 10, part supplementaire. 

 Paris, 1871-1875, 42 plates, pp. 907. 



George H. Horn. — Notes on Elateridae, Cebrionidae, Rhipicerida?, and 

 Dascyllidse. <Trans. Amer. Entom. Soc, Vol. IX, 1881. 



Tabulates Aplastus, p. 77; Plastocerus, p. 78; Euthysanius, p. 79; and the 

 subfamily Cebrioninse, p. 82. 



John L. LeConte. — Short studies of North American Coleoptera 

 (No. 2). <Trans. Amer. Entom. Soc, Vol. XII, 1884, pp. 1-32. 

 Tabulates Drasterius, p. 4; Megapenthes, p. 6; Elater, p. 8; Agriotes, p. 15. 



George H. Horn. — A study of some genera of Elateridse. <Trans. 

 Amer. Entom. Soc, Vol. XII, 1884, pp. 33-52. 



Tabulates Horistonotus, p. 34; Esthesopus, p. 41; Ludius, p. 45; Eniconyx, 

 p. 51. 



