106 GEO. H. HORN, M. D. 



Bibliography and Synonymy. 



APHODIUSIllig. 



Subgenus Teuchestes Muls. 

 A. fossor Linn., Syst. Nat. ed. x, p. 348; Erich., Ins. Deutsch. iii, p. 799. 



Subgenus Diapterna Horn. 

 A. validvxs Horn, Trans. Am. Ent. Soc. 1870, p. 112. 

 A. hamatus Say, Long's Exped. ii, p. 277; edit. Lee. i, p. 183. 



coHcavus X Hald., Jour. Acad. 1848, p. 103. 



pinguis Hald., loc. cit. 



angularis, hyperboreus, omissus Lee, Agass. Lake Superior, p. 225. 



torpidus Horu, Trans. Am. Eut. Soc. 1870, p. 114. 



occidentalis Horn (var.), loc. cit. p. 114. 



Sagittarius Harold, Ann. Fr. 1860, p. 615. 



Subgenus Coloboptekus Muls. 

 A. erraticus Linn.. Syst. Nat. ed. x, p. 345 ; Erichs., Ins. Deutsch. iii, p. 794. 

 peHsvallensis Mels., Proc. Acad, ii, p. 135. 



Subgenus Aphodius auct. 

 Group A, 

 A. denticvilatus Hald., Jour. Acad. 1848, p. 104 ; Horn, Trans. Am. Ent. Soc. 

 1870, p. 116. 

 A. conspersus n. sp. 



Group IS. 

 A. crassulus Horu, Trans. Am. Ent. Soc. 1870, p. 118. 

 A. bidens Lee, U. S. Geol. Surv. Hayden, 1878, Bull, iv, 2, p. 453. 

 A. flmetarius Linn., Syst. Nat. ed. p. 348 ; Erichs., Ins. Deutsch. iii. p. 805. 



nodifrons Rand., Bost. Jour, ii, p. 20. 

 A. congregatus Mann., Bull. Mosc. 1853, iii, p. 219; Harold. Berl. Zeit. 1863, 

 p. 362 ; Horn, loc. cit. p. 119. 



nrcticus Harold, loc. cit. p. 361 (variety). 

 A. aleutus Esch., Entomogr. i, 1822, p. 27; Harold, loc. cit. p. 372. 



iirsinns Motsch., Bull. Mosc. 1845, iv, 365, pi. 6, fig. 6 ; Maun., Bull. Mosc. 

 1853, iii, p. 218; Harold, loc. cit. p. 386; Horn, loc. cit. p. 118. 

 A. foetidus Fab., Ent. Syst. i, p. 40; Harold, loc. cit. p. 364. 



tenellus Say, Jour. Acad, iii, p. 213. 

 A. duplex Lee, U. S. Geol. Surv. loc. cit. p. 454. 



A. pectoralis Lee, Pacif. R. R. Rep. 47 par.. App. i, p. 41; Horn, loc. cit. p. 

 120. 



A. ruricola Mels., Proc. Acad, ii, p. 136 ; Harold, loc. cit. p. 373 ; Horn, loc. 

 cit. p. 118. 



curtus Hald, Journ. Acad. 1848, p. 105. 

 aiireUanus Harold, loc. cit. p. 375. 

 A. anthracinus Lee, IT. S. Geol. Surv. loc. cit. p. 455. 



