MILLIPEDS OF NORTH AMERICA 63 



Nearctodesmus renigens Chamberlin 



Nearctodesmus renigens Chamberlin, 1949, Journ. Washington Acad. Sci., 



vol. 39, p. 97, fig. 9. 

 Type: Collection of R. V. Chamberlin. 

 Type Locality: Oregon: probably near Corvallis. 

 Range : Known only from type locality. 



Nearctodesmus salix Chamberlin 



Nearctodesmus salix Chamberlin, 1949, Journ. Washington Acad. Sci., 



vol. 39, p. 97, fig. 10. 

 Type : Collection of R. V. Chamberlin. 



Type Locality : 12 miles west of Willow Creek, Lassen County, California. 

 Range : Known only from type locality. 



Family POLYDESMIDAE Leach 



Polydesmidae (in part) Leach, 1815, Trans. Linn. Soc. London, vol. 11, 



p. 381.— Meinert, 1868, Naturh. Tidsskr., ser. 3, vol. 5, p. 23.— Wood, 



1865, Trans. Amer. Philos. Soc, voL 13, p. 212. 

 Polydesminae Bollman, 1893, U. S. Nat. Mus. Bull. 46, p. 159. 

 Polydesmidae Porath, 1872, Ofvers. Vet.-Akad. Forh., No. 5, p. 9.— Cook, 



1895, Ann. New York Acad. Sci., vol. 9, p. 5. — Attems, 1940, Das 



Tierreich, Lief. 70, p. 1. 



Genus ANTRIADESMUS Loomis 



Antriadesmus Loomis, 1943, Bull. Mus. Comp. Zool., vol. 92, p. 408. 

 Generotype: Antriadesmus fragilis Loomis, by original designation. 

 Range : Central Kentucky. 

 Species: One. 



Antriadesmus fragilis Loomis 



Antriadesmus fragilis Loomis, 1943, Bull. Mus. Comp. Zool., vol. 92, 



p. 409, fig. 18a-b and pi. 1, fig. 6. 

 Type: Mus. Comp. Zool. 



Type Locality: White's Cave, Edmondson County, Kentucky. 

 Range: Known only from type locality. 



Genus BRACHYDESMUS Heller 



Brachydesmus Heller, 1858, Sitz.-ber. Akad. Wiss., Wien, vol. 26, p. 318. — 

 Attems, 1940, Das Tierreich, Lief. 70, p. 86. 



Generotype: Brachydesmus subterraneus Heller, by monotypy. 



Ra]\ge: Palearctic and Nearctic areas. 



Species: About 105 species and subspecies have been described from 

 the Old World, of which at least one, B. superus Latzel, has been introduced 

 into this country, where it has become widely distributed in the eastern 



