MILLIPEDS OF NX3RTH AMERICA 171 



Orthoporus ornatus Causey, 1954, Tulane Stud. Zool., vol. 2, No. 4, p. 

 67, fig. 10. 



Type : Not known to exist. 



Type Locality: Headwaters of the Prairiedog Town River, in the north- 

 ern Panhandle of Texas. Considered by Causey (op. cit.) to be "either 

 within or near the present Palo Duro Canyon State Park, Randall County, 

 Texas." 



Range: Known only from Randall County, Texas. 



Orthoporus pontis Chamberlin 



Orthoporus pontis Chamberlin, 1947, Proc. Acad. Nat. Sci Philadelphia, 



vol. 99, p. 53, fig. 66. 

 Type: Acad. Nat. Sci. Philadelphia (No. 9977). 

 Type Locality: "High Bridge", on the Pecos River, Texas. 

 Range : Known only from type locality. 



Orthoporus producens Chamberlm 



Orthoporus producens Chamberlin, 1947, Proc. Biol. Soc. Washington, 



vol. 60, p. 11, fig. 8. 

 Type: Collection of R. V. Chamberlin. 

 Type Locality: Benson, Cochise County, Arizona. 

 Range : Known only from type locality. 



Orthoporus sanctus Chamberlin 



Orthoporus sanctus Chamberlin, 1947, Proc. Acad. Nat. Sci. Philadel- 

 phia, vol. 99, p. 55, fig. 68. 



Type: Acad. Nat. Sci Philadelphia (No. 9978). 



Type Locality: St. Augustine, St. Johns County, Florida. 



Range : Known only from the type locality. In view of the considerable 

 separation of this location from the rest of the range occupied by Orthoporus 

 in the United States, confirmation is very desirable. 



Orthoporus vallicolens Chamberlin 



Orthoporus vallicolens Chamberlin, 1943, Proc. Biol. Soc. Washington, 



vol. 56, p. 149, fig. 15. 

 Type: Collection of R. V. Chamberlin. 

 Type Locality: Fort Hancock, Hudspeth County, Texas. 

 Range : Known only from type locality. 



Orthoporus wichitanus Chamberlin 



Orthoporus wichitanus Chamberlin, 1931, Ent. News, vol. 42, p. 99, pi. 2, 

 fig. 2. 



Type: Collection of R. V. Chamberlin. 



Type Locality: Elk Mountain, Wichita Reserve, Comanche County, 

 Oklahoma. 



Range : Known only from type locality. 



