MILLIPEBS OF NORTH AMERICA 109 



Spirostrephon Brandt, 1841 Bull. Sci. Acad. Sci. Saint-Petersbourg, vol. 8, 

 p. 105.— Cook, 1895, Amer. Nat., vol. 29, p. 1017.— Loomis, 1937, 

 Proc. U. S. Nat. Mus., vol. 84, p. 105 (generotype, Julus lactarius 

 Say, by monotypy) . 



Platops Newport, 1844, Ann. Mag. Nat. Hist., vol. 13, p. 267 (generotype, 

 P. rugulosa Newport, by present designation) . 



Generotype: Abacion tesselatum Rafinesque, by monotypy. 



Range : Eastern United States, east of the 100th Meridian. 



Species: Four, of which two have one subspecies each. 



Abacion lactarium (Say) 



Julus lactarius Say, 1821, Journ. Acad. Nat. Sci. Philadelphia, vol. 2, 



p. 104. 

 Spirostrephon lactarium Brandt, 1841, Bull. Sci. Acad. Sci. Saint-Peters- 

 bourg, vol. 8, p. 105.— Loomis, 1937, Proc. U. S. Nat. Mus., vol. 84, 

 p. 108, fig. 16 1-m. 

 Platops lineata Newport, 1844, Ann. Mag, Nat. Hist., vol. 13, p. 267 (type 

 locality: "North America"; type: British Museum, probably the orig- 

 inal Say type of lactarius) . 

 Type: Location not known with certainty (see note above in entry for 

 Platops lineata) . 



Type Locality: Here restricted to the vicinity of Philadelphia, 

 Pennsylvania. 



Range: Coastal Plain and Piedmont of the Atlantic States, from north- 

 ern New Jersey south into peninsular Florida. Exact limits of range still 

 very poorly known. 



Abacion magnum magnum (Loomis) 



Spirostrephon magnum Loomis, 1943, Bull. Mus. Comp. Zool., vol. 92, 



p. 388, fig. 8a, b. 

 Type: Mus. Comp. Zool. 



Type Locality : Monte Sano State Park, Madison County, Alabama. 

 Range: Extreme northeastern Alabama, probably also adjacent parts of 

 Tennessee and Georgia. 



/Vbacion magnum highlandense (Hoffman) 



Spirostrephon highlandensis Hoffman, 1950, Journ. Elisha Mitchell Sci. 

 Soc, vol. 66, p. 17, figs. 5, 6. 



Type: U. S. Nat. Mus. (No. 1875). 



Type Locality: Highlands, Macon County, North Carolina. 



Range: Most of the Appalachian Mountains. Peripheral localities in- 

 clude St. Clair and Lee Counties, Alabama; Stephens County, Georgia; 

 Greenville County, South Carolina; Harlan County, Kentucky; Upshur 



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