MILLIPEDS OF NORTH AMERICA 135 



Generotype: Ethoiulus amphelictus Chamberlin, by original designation. 

 Range: Southern United States, from Florida to Texas; Illinois and 

 Arkansas. 

 Species: Five. 



Ethoiulus amphelictus Chamberlin 



Ethoiulus amphelictus Chamberlin, 1918, Canadian Ent., vol. 50, p. 361. 

 Type: Mus. Comp. Zool. 



Type Locality: Covington, St. Tammany Parish, Louisiana. 

 Range : Known only from type locality. 



Ethoiulus buf onius Chamberlin 



Ethojulus bujonius Chamberlin, 1938, Proc. Biol. Soc. Washington, vol. 



51, p. 206. 

 Type : Collection of R. V. Chamberlin. 

 Type Locality: Gainesville, Alachua County, Florida. 

 Range : Known only from north-central Florida. 



Ethoiulus illinoensis (Causey) 



Illiulus illinoensis Causey, 1950, Proc. Arkansas Acad. Sci., vol. 3, p. 47, 



figs. 

 Type: Illinois Nat. Hist. Surv. 

 Type Locality: LaRue, Union County, Illinois. 

 Range: Southern IlUnois, west to northwestern Arkansas. 



Ethoiulus ligifer (Chamberlin) 



Parajulus ligifer Chamberlin, 1919, Proc. Biol. Soc. Washington, vol. 32, 



p. 119. 

 Hakiulus ligifer Causey, 1952, Texas Journ. Sci., vol. 4, p. 200. 

 Ethoiulus geniculatus Causey, 1952, Texas Journ. Sci., vol. 4, p. 201, 



figs. 8-10 (type locality: Fort Bend County, Texas; type: Amer. 



Mus. Nat. Hist.). 

 Type: Mus. Corap. Zool. 



Type Locauty: Victoria, Victoria County, Texas. 

 Range: Victoria, Fort Bend, and Goliad Counties, Texas. 



Ethoiulus robustior (Chamberlin) 



Paraiulus robustior Chamberlin, 1918, Ann. Ent. Soc. America, vol. 11, 



p. 373. 

 Ethoiulus unilictus Causey, 1953, Amer. Midi, Nat., vol. 50, p. 152, figs. 



1-4 (type locality: Ruston, Lincoln Parish, Louisiana; type: Amer. 



Mus. Nat. Hist.). 

 Type : Mus. Comp. Zool. 



Type Locality: Creston, Natchitoches Parish, Louisiana. 

 Range: Known from Natchitoches and Lincoln Parishes, Louisiana. 



