MILLIPEDS OF MEXICO AND CENTRAL AMERICA 49 



Genus EIRENYMA Chamberlin 1943b, p. 67. 



TYPE SPECIES: Eirenyma munda Chamberlin, by original designation. 

 Eirenyma munda Chamberlin 1943b, p. 67. 

 TYPE: Collection of R. V. Chamberlin. 

 TYPE LOCALITY: Atoyac, Guerrero, Mexico. 



Genus GASATOMUS Chamberlin 1923b, p. 417. 



TYPE SPECIES: Gasatomus emersoni Chamberlin, by original desig- 

 nation. 

 Gasatomus dubius Chamberlin 1940a, p. 5. 



TYPE: Collection of R. V. Chamberlin. 



TYPE AND PARATYPE LOCALITY: Barro Colorado Island, Canal 

 Zone. 



Genus IDIURODESMUS Silvestri 1924, p. 172. 



TYPE SPECIES: Idiurodesmus tristani Silvestri, by monotypy. 

 Idiurodesmus tristani Silvestri 1924, p. 175. 

 TYPE: Lab. Zool., Portici ? (H). 

 TYPE LOCALITY: Turrucares, Costa Rica. 



Genus ILYMA Chamberlin 1941b, p. 24. 



TYPE SPECIES: Ilyma orizaba Chamberlin, by original designation. 

 Ilyma colotlipa Chamberlin 1942b, p. 9. 



TYPE: Escuela Nat. Mexico City. [Probably still at Univ. Utah (H).] 



TYPE AND PARATYPE LOCALITY: Cuevade Jutxlahuaca, Colotlipa, 

 Guerrero, Mexico. 

 Ilyma morela Chamberlin 1943b, p. 63. 



TYPE: Collection of R. V. Chamberlin. 



TYPE AND PARATYPE LOCALITY: Parque National de Zempoala, 

 Morelos, Mexico. 

 Ilyma orizaba Chamberlin 1941b, p. 24. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: Collected at Laredo, Texas, on orchids from Ori- 

 zaba, Veracruz, Mexico. 

 Ilyma potosina Chamberlin 1943b, p. 64. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: El Plutanito, San Luis Potosf, Mexico. 



Genus KAPYRODESMUS Attems 1940, p. 322. 



Xerodesmus Chamberlin 1923a, p. 403; preoccupied by Cook 1896. 

 TYPE SPECIES: Xerodesmus mulegensis Chamberlin, by original des- 

 ignation. 



