44 U.S. NATIONAL MUSEUM BULLETIN 266 



Hybocestus octonodus Hoffman 1959, p. 174. 



TYPE: U.S. Nat. Mus., no. 2594. 



TYPE AND PARATYPE LOCALITY: Coban,BajaVerapaz, Guatemala. 

 Hybocestus plagiodon Hoffman 1959, p. 177. 



TYPE: U.S. Nat. Mus., no. 2593. 



TYPE AND PARATYPE LOCALITY: Trece Aguas, Guatemala. 



Genus PERIDYSODESMUS Silvestri 1910, p. 357. 



TYPE SPECIES: Peridysodesmus trifidus Silvestri, by original desig- 

 nation. 

 Peridysodesmus bifidus Silvestri 1910, p. 358. 



TYPE: Location unknown. 



TYPE LOCALITY: Jalapa, Veracruz, Mexico. 

 Peridysodesmus trifidus Silvestri 1910, p. 358. 



TYPE: Location unknown. 



TYPE LOCALITY: Cuernavaca, Morelos, Mexico. 



Genus SPHAERIODESMUS Peters 1864, p. 529. 



Glomeridesmus Saussure 1859, p. 328. Not Gervais. 



TYPE SPECIES: Glomeridesmus mexicanus Saussure, by monotypy. 

 Sphaeriodesmus bukowinus Chamberlin 1952a, p. 553. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: Bukowina, British Honduras. 



PARATYPE LOCALITY: Double Falls, British Honduras. 

 Sphaeriodesmus conformans Chamberlin 1925, p. 44. 



TYPE: Mus. Comp. Zool. 



TYPE LOCALITY: Barro Colorado Island, Canal Zone. 



OTHER LOCALITIES: Piiia area. Canal Zone; Alahjuela and Juan 

 Dias, Panama Prov., Panama (Loomis 1961). 

 Sphaeriodesmus coriaceus Pocock 1909, p. 125. 



TYPE: British Mus. 



TYPE LOCALITY: San Juan, Alta Verapaz, Guatemala. 



OTHER LOCALITY: VolcanTajumulco, Guatemala (Chamberlin 1952a). 

 Sphaeriodesmus digitatus Pocock 1909, p. 124. 



TYPE: British Mus. 



TYPE LOCALITY: Volcan de Agua, Guatemala. 

 Sphaeriodesmus griseus Chamberlin 1943b, p. 55. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: Volcan Orizaba, Puebla, Mexico. 

 Sphaeriodesmus hondurasanus Chamberlin 1922, p. 57. 



TYPE: U.S. Nat. Mus. no. 855. 



TYPE LOCALITY: San Juan Pueblo, Honduras. 



PARATYPE LOCALITIES: Same and Lombardia, Honduras. 



