MILLIPEDS OF NOKTH AMERICA 47 



Type: Collection of R. V. Chamberlin. 



Type Locauty: Camp Mary White, near Cloudcroft, Otero County, New 

 Mexico. 



Range : Known only from type locality. 



Rhysodesmus texicolens (Chamberlin) 



Aporiaria texicolens Chamberlin, 1938, Proc. Biol, Soc. Washington, vol. 



51, p. 207. 

 Rhysodesmus texicolens Chamberlin, 1943, Proc. Biol. Soc. Washington, 



vol. 56, p. 143. 

 Type: Collection of R. V. Chamberlin. 

 Type Locality : Edinburg, Hidalgo County, Texas. 

 Range : Known only from type locality. 



Genus RUDILORIA Causey 



Rudiloria Causey, 1955, Proc. Biol. Soc. Washington, vol. 68, p. 28. 

 Generotype: Rudiloria mohicana Causey, by original designation. 

 Range: Southern Ohio. 

 Species: One. 



Rudiloria mohicana Causey 



Rudiloria mohincana [sic] Causey, 1955, Proc. Biol. Soc. Washington, 



vol. 68, p. 28, fig. 6. 

 Type: Amer. Mus. Nat. Hist. 



Type Locauty: Mohican State Park, Ashland County, Ohio. 

 Range : Known only from type locality. 



Genus SEMIONELLUS Chamberlin 



Semionellus Chamberlin, 1920, Proc. Biol. Soc. Washington, vol. 33, p. 97. 

 Generotype: Polydesmus placidus Wood, by original designation. 

 Range: Eastern United States. 

 Species: One. 



Semionellus placidus (Wood) 



Polydesmus (Leptodesmus) placidus Wood, 1864, Proc. Acad. Nat. Sci. 



Philadelphia, p. 9. 

 Polydesmus (Leptodesmus) floridus Wood, 1864, Proc. Acad. Nat. Sci. 



Philadelphia, p. 9 (type locality: Michigan; type: probably lost). 

 Leptodesmus borealis BoUman, 1893, U. S. Nat. Mus. Bull. 46, p. 183 



(type locality: Winona, Minnesota; type: U. S. Nat. Mus.). 

 Semionellus placidus Chamberlin, 1920, Proc. Biol. Soc. Washington, vol. 



33, p. 97; 1947, Proc. Acad. Nat. Sci. Philadelphia, vol. 99, p. 24, 



fig. 3. 

 Chonaphe michigana Chamberlin, 1946, Proc. Biol. Soc. Washington, vol. 



59, p. 31, fig. 1 (type locality: Midland County, Michigan; type: 



collection of R. V. Chamberlin). 



