MILLIPEDS OF NORTH AMERICA 159 



Type Locality: Frio State Park, Frio County, Texas. 

 Range : Known only from type locality. 



Genus WATICHELUS Chamberlin 



Watichelus Chamberlin, 1949, Journ. Washington Acad. Sci., vol. 39, 



p. 169. 

 Generotype : Onychelus smithi Chamberlin, by original designation. 

 Range: Southern California, and adjacent Baja California. 

 Species: Four in our area, two extralimital. 



Watichelus edentatus Loomis 



Watichelus edentatus Loomis, 1949, Journ. Washington Acad. Sci., vol. 



39, p. 241, figs. 3, 4. 

 Type: U. S. Nat. Mus. 



Type Locality: Between El Centre and San Diego, California. 

 Range: Known only from type locality. 



Watichelus parallelus Loomis 



Watichelus parallelus Loomis, 1949, Journ. Washington Acad. Sci., vol. 



39, p. 244, figs. 9, 10. 

 Type: U. S. Nat. Mus. 



Type Locality: Chula Vista, San Diego County, California. 

 Range: Known only from type locality. 



Watichelus robustus Loomis 



Watichelus robustus Loomis, 1949, Journ. Washington Acad. Sci., vol. 39, 



p. 241, figs. 1, 2. 

 Type: U. S. Nat. Mus. 



Type Locality: Chula Vista, San Diego County, California. 

 Range: Known only from type locality. 



Watichelus smithi (Chamberlin) 



Onychelus smithi Chamberlin, 1947, Proc. Acad. Nat. Sci. Philadelphia, 



vol. 99, p. 49, figs. 52, 53. 

 Watichelus smithi Chamberlin, 1949, Journ. Washington Acad. Sci., vol. 



39, p. 169. 

 Types Acad. Nat. Sci., Philadelphia. 



Type Locality: Murray Canyon, Riverside County, California. 

 Range: Known only from type locality. 



Family SPIROBOLIDAE Bollman 



Spirobolinae (in part) Bollman, 1893, U. S. Nat. Mus. Bull. 46, p. 156. 

 Spirobolidae (in part) VerhoefF, 1893, Zool. Anz., vol. 16, p. 481. — Pocock, 



1894, Chilopoda, Symphyla and Diplopoda, . . . , in Weber, Zool. 



Erg. Reise Niederl. Ost-Ind., vol. 3, p. 388.— Cook, 1895, Ann. New 



York Acad. Sci., vol. 9, p. 7. 

 Spirobolidae Brolemann, 1914, Ann. Soc. Ent. France, vol. 83, p. 1. 



