80 R. W. Dawson 



Aphodius bicolor Say. 



1823. Aphodms bicolor Say, Journ. Acad. Nat. Sci. Phila., iii, p. 

 212. Le Conte ed., ii, p. 136. 



Specimens examined: 1,9 from Lincoln, collected Octo- 

 ber 24, 1915 by C. E. Mickel. Although a widely distributed 

 species occurring from "Canada to Texas and east to Massa- 

 chusetts," bicolor is apparently uncommon in Nebraska. 



Aphodius serval Say. 



1835. Aphodius serval Say, Boston Journ. Nat. Hist., i, pp. 177- 

 178. Le Conte ed., ii, p. 651. 



Specimens examined : 1 $ , from Lincoln, collected 

 December 6, 1915, by C. E. Mickel. 



Aphodius distinctus Mueller. 



1776. Scarabaeus distinctus Mueller, Zoologiae Danicae prodromus, 

 p. 53. 



Specimens examined: 164, from South Bend, Lincoln, 

 Omaha, West Point, Fairmont, Elm Creek, Holt Co., Halsey, 

 and Scottsbluff, collected from March 10 to November 19. 

 This cosmopolitan species is perhaps our most abundant 

 Aphodius, occurring at times in immense numbers. It has 

 long been known under the name inquinatus. 



[Aphodius subtruncatus Le Conte. 



1878. Aphodius szibtruncattis Le Conte, U. S. Geol. Serv., Bull., iv, 

 pt. 2, p. 457. 



Subtruncatus is not represented in the material studied, 

 but is listed here on the authority of Dr. Horn who records 

 it in his monograph of Aphodius (1887) from Colorado and 

 Nebraska.] 



Aphodius walshi Horn. 



1870. Aphodius walshii Horn, Trans. Amer. Ent. Soc, iii, pp. 131, 

 132. 



186 



