MILLIPEDS OF MEXICO AND CENTRAL AMERICA 37 



Genus ACUTANGULUS Attems 1899, p. 409. 



TYPE SPECIES: Polydesmus fStrongylosoma) coccineus Saussure and 

 Humbert, by monotypy. 

 Acutangulus coccineus (Humbert and Saussure). 



Polydesmus (Tropisoma) coccineus Humbert and Saussure 1869, p. 152. 



Polydesmus fStrongylosoma) coccineus Saussure and Humbert 1872, 

 p. 50; Attems 1899, p. 409. 



TYPE: Mus. Hist. Nat. Geneve. 



TYPE AND PARATYPE LOCALITY: Orizaba, Mexico. 

 Acutangulus neglectus Carl 1903, p. 560. 



Polydesmus fStrongylosoma) coccineus Var. Saussure and Humbert 

 1872, p. 51. 



TYPE: Mus. Hist. Nat. Geneve. 



TYPE AND PAR-ATYPE LOCALITY: Orizaba, Mexico. 



Genus METAPHALLUS Chamberlin 1952a, p. 560. 



TYPE SPECIES: Metaphallus mimus Chamberlin, by original designa- 

 tion. 

 Metaphallus mimus Chamberlin 1952a, 562. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE AND PARATYPE LOCALITY: Chichivac, Guatemala. 



Genus NEOLEPTODESMUS Carl 1903, p. 557. 



Curodesmus Chamberlin 1922, p. 55; Attems 1940, p. 467. 



Euphallus Chamberlin 1952a, p. 559. New synonymy by R.L. Hoffman. 



TYPE SPECIES: Polydesmus fOxyurus) sumichrasti Humbert and 

 Saussure, by subsequent designation. 

 Neoleptodesmus aztecus (Saussure). 



Polydesmus fLeptodesmus) aztecus Saussure 1859, p. 324. 



Polydesmus fOxyurus) aztecus Saussure and Humbert 1872, p. 160. 



Leptodesmus aztecus Attems 1899, p. 390; Carl 1903, p. 559. 



Euphallus dybasi Chamberlin 1952a, p. 560. New synonymy by R. L. 

 Hoffman. 



TYPE: Mus. Nat. Hist. Geneve. 



TYPE LOCALITY: Volca'n de Tuxtia, Mexico. 



PARATYPE LOCALITIES: Plateau of Puebla, and peak of Orizaba, 

 Mexico. 



OTHER LOCALITY: El Fortm, Veracruz, Mexico. Probably Fort(n de 

 las Flores. 



