76 U. S. NATIONAL MUSEUM BULLETIN 212 



Polydesmiis sastianus Chaniberlin 



Polydesmus sastianus Chamberlin, 1910, Ann. Ent. Soc. Amer., vol. 3, 



p. 251. 

 Type : Present location unknown. 



Type Locality; Shasta Springs, Siskiyou County, California. Based on 

 a female. 



Polydesmus bonikus Chamberlin 



Polydesmus bonikus Chamberlin, 1912, Ann. Ent. Soc. Amer., vol. 5, 



p. 168, pi. 10, fig. 3. 

 Type: Present location unknown. 

 Type Locality: Madison, Washington. 



Scytonotus eavernarum BoUman 



Scytonotus eavernarum Bollman, 1887, Ent. Amer., vol. 3, p. 46. 

 Type : Present location unknown. 



Type Locality: May field's Cave, Monroe County, Indiana. 

 Described from a single female. It is not possible to determine from the 

 description whether the species is really a scytonotid. 



Scytonotus nodulosus Koch 



Scytonotus nodulosus Koch, 1847, in Krit. Rev. Insect. Deutschlands, vol. 3, 

 p. 131.— Bollman, 1893, U. S. Nat. Mus. Bull. 46, p. 151. 



Type: Not known to exist. 



Type Locality: Pennsylvania. 



We have no suggestions to offer on the status of this form. It appears 

 from the drawings later published by Koch (Die Myriapoden, 1863, pi. 80, 

 fig. 164) to be more like a polydesmid than a scytonotid. 



Family STYLODESMIDAE Cook 



Stylodesmidae Cook, 1895, Ann. New York Acad. Sci., vol. 9, p. 5. — 

 Chamberlin, 1943, Bull. Univ. Utah, biol. sen, vol. 8, No. 3, p. 62.— 

 Schubart, 1945, Arq. Mus. Nac. Brasil, vol. 38, p. 81. 



Stiodesmidae Cook, 1896, Brandtia, No. 5, p. 25. — Loomis, 1944, Psyche, 

 vol. 51, p. 175. 



Genus ILYMA Chamberlin 



Ilyma Chamberlin, 1941, Bull. Univ. Utah, biol. ser., vol. 6, No. 4, p. 24, 

 Generotype: Ilyma orizaba Chamberlin, by original designation. 

 Range: Southern Mexico; Gulf Coast States? 

 Species: Five, one within our limits. 



Ilyma cajuni Loomis 



Ilyma cajuni Loomis, 1944, Psyche, vol. 51, p. 175, fig. 6. 

 Type: Mus. Comp. Zool. 



