26 ~ 
SCARAB HID E. 
JOHN L. LE ConrEe.—Notice of three genera of Scarabeide found in 
the United States. <Proc. Ac. Nat. Se. Phil., Vol. VIII, 1856, 
pp. 19-25. 
Treats of Ligyrus, Aphonus, and Polymeechus. 
JOHN L. LE CoNTE.—Synopsis of the Melolonthide of the United 
States. <Journ. Ac. Nat. Sc. Phil., ser. 2, Vol. III, 1856, pp. 225- 
288. 
GEO. H. HorRN.—Notes on some genera of Coprophagous Scarabeide 
of the United States. <Trans. Amer. Entom. Soc., Vol. III, 1870, 
pp. 42-51. 
Tabulates Copris, p. 42; Canthon, p. 44; Amechanus (Bradycinetus), p. 48; 
Bolboceras, p. 49; Odontzus, p. 50. 
GEO. H. Horn.—Description of the species of Aphodius and Dialytes 
of the United States. <Trans. Amer. Ent. Soc., Vol. III, 1870, pp. 
110-134. 
GEO. H. Horn.—Synopsis of Aphodiini of the United States. <Trans. 
Amer. Ent. Soc., Vol. III, 1871, pp. 284-297. 
Continuation of the foregoing paper. 
GEO. H. Horn.—Descriptions of new Coleoptera of the United States, 
with notes on known species. <Trans. Amer. Ent. Soc., Vol. II, 
1870-71. 
Tabulates Cyclocephala, p. 334; Catalpa, p. 337; Cremastochilus, p. 339. 
GEO. H. HoRN. —Synonymical notes and descriptions of new species of 
North American Coleoptera. <Trans. Amer. Ent. Soc., Vol. V, 
1875. 
Tabulates Onthophagus, p. 137; Ligyrus, p. 143; Strategus, p. 143. 
GEORGE H. HoRN.—Revision of the United States species of Ochodzus 
and other genera of Scarabeide. <Trans. Am. Ent. Soc., Vol. 
V, 1876, pp. 177-197. 
Tabulates Ochodeeus, p. 177; Macrodactylus, p. 183; Dichelonycha, p. 185; 
Cenonycha, p. 192; Trichius, p. 194. 
GEORGE H. Horn.—Contributions to the Coleopterology of the United 
States, No.3. <Trans. Amer. Ent. Soc., Vol. VIII, 1880. 
Tabulates Geotrnpes, p. 144; Phileurus, p. 147; and describes the species of 
Plectrodes, p. 145. 
FREDERICK BLANCHARD.—On the species of Canthon and Phanzus 
of the United States, with notes on other genera. <Trans. Amer. 
Ent. Soc., Vol. XII, 1885, pp. 163-172. 
Gro. H. Horn.—A monograph of the Aphodiini inhabiting the United 
States. <Trans. Amer. Entom. Soc., Vol, XIV, 1887, pp. 1-110, 
Supersedes the cwo papers cited above. 
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