MILLIPEDS OF MEXICO AND CENTRAL AMERICA 43 



Cylionus gracilis (Humbert and Saussure). 



Sphaeriodesmus gracilis Humbert and Saussure 1869, p. 149; Cook 

 1898, p. 463. 



TYPE: Mus. Hist. Nat. Geneve (H). 



TYPE LOCALITY: Moyoapan, Eastern Cordillera, Mexico. 

 Cylionus kauanus Chamberlin 1938a, p. 182. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: Kaua Cave, Kaua, Yucatan, Mexico. 



Genus CYPHODESMUS Peters 1864, p. 530. 



TYPE SPECIES: Oniscodesmus mexic anus Saussure, by monotypy. 

 Cyphodesmus mexicanus (Saussure). 



Oniscodesmus mexicanus Saussure 1859, p. 328; Peters 1864, p. 530. 



TYPE: Supposed to be in Paris Mus., Cook 1898. 



TYPE LOCALITY: Cordoba, Mexico. 

 Cyphodesmus hidalgonus Chamberlin 1943b, p. 55. 



TYPE: Collection of R. V. Chamberlin. 



TYPE AND PARATYPE LOCALITY: Chapulhuacan, Hidalgo, Mexico. 



Genus EUSPHAERIODESMUS Brolemann 1916, p. 561. 



TYPE SPECIES: Sphaeriodesmus angustus Pocock, by original desig- 

 nation. 

 Eusphaeriodesmus angustus (Pocock). 



Sphaeriodesmus angustus Pocock 1909, p. 124; Brolemann 1916, p. 561. 



TYPE: British Mus. 



TYPE LOCALITY: Senahu, Alta Verapaz, Guatemala. 

 Eusphaeriodesmus prehensor (Pocock). 



Sphaeriodesmus prehensor Pocock 1909, p. 123; Brolemann 1916, p. 606. 



TYPE: British Mus. 



TYPE LOCALITY: Omilteme, Guerrero, Mexico. 



OTHER LOCALITIES: Oaxtepec, and Tepoztlan, Morelos, Mexico 

 (Chamberlin 1943b). 

 Eusphaeriodesmus robustus (Pocock). 



Sphaeriodesmus robustus Pocock 1909, p. 122. 



TYPE: British Mus. 



TYPE LOCALITY: San Andreas Tuxtla, Veracruz, Mexico. 

 Eusphaeriodesmus stylifer (Pocock). 



Sphaeriodesmus stylifer Pocock 1909, p. 124; Brolemann 1916, p. 606. 



TYPE: British Mus. 



TYPE LOCALITY: Irazu, Costa Rica. 



Genus HYBOCESTUS Hoffman 1959, p. 173. 



TYPE SPECIES: Hybocestus octonodus Hoffman, by original desig- 

 nation. 



273-687 O - 68 - 4 



