MILLIPEDS OF MEXICO AND CENTRAL AMERICA 35 



PARATYPE LOCALITY: Cana, Darien Prov., Panama. 



OTHER LOCALITY: Pequene River, just east of Canal Zone, Panama, 



Genus TIRODESMUS Cook 1896, p. 53. 



TYPE SPECIES: Polydesmus (Stenonia) fimbriatus Peters, by original 

 designation. 

 Tirodesmus biolleyi (Carl). 



Platyrhacus biolleyi Carl 1902, p. 658. 



Tirodesmus fimbriatus Chamberlin 1922, p. 36 (not Peters). 



Nyssodesmus albomarginis Chamberlin 1933, p. 16; Hoffman 1953c, 

 p. 235; Jeekel 1963a, p. 91. 



TYPE: Mus. Hist. Nat. Geneve. 



TYPE LOCALITY: Las Delicias, Costa Rica. 



OTHER LOCALITIES: La Palma and Cariblanco, Costa Rica (Pocock 

 1909); San Juan del Norte and Machucha, Nicaragua (Chamberlin 1922). 

 Tirodesmus fimbriatus (Peters). 



Polydesmus (Stenonia) fimbriatus Peters 1864, p. 543; Cook 1896, 

 p. 53. 



Platyrrhacus fimbriatus Attems 1899, p. 347; Carl 1914, p. 975; Jeekel 

 1963a, p. 91. 



TYPE: Location unknown. 



TYPE LOCALITY: Veragua, Panama; probably the Province of Vera- 

 guas. 



Family POLYDESMIDAE 



Genus POLYDESMUS Latreille 1802, p. 44. 



TYPE SPECIES: Julus complanatus Linnaeus, by monotypy. 

 Polydesmus angustus Latzel 1884, p. 262. 



Polydesmus complanatus angustus Latzel 1884, p. 262. 



Polydesmus verhoeffi angustus Attems 1940, p. 12. 



Polydesmus chapultepecus Chamberlin 1943b, p. 69. New synonymy 

 by R. L. Hoffman. 



TYPE: Naturh. Mus. Wien. 



A European species reported from Mexico by Jawlowski 1930. 



OTHER LOCALITIES: Chapultepec Park, D. F., and Llano de Sal- 

 azar, Morelos, Mexico (Chamberlin 1943b). 



Family RHACHODESMIDAE 



Genus ACERATOPHALLUS Carl 1902, p. 608. 



TYPE SPECIES: Aceratophallus unicolor Carl, by monotypy. 

 Aceratophallus calcehtokanus Chamberlin 1938a, p. 178. 

 TYPE: Collection of R. V. Chamberlin. 



