64 U.S. NATIONAL MUSEUM BULLETIN 266 



TYPE AND PARATYPE LOCALITY: Guatemala. 



OTHER LOCALITY: Hacienda des Palmes, Mt. Metapan, Dept. Santa 

 Ana, El Salvador (Kraus 1954b). 



Rhysodesmus zapolecus (Saussure). 



Polydesmus (Fontaria) zapotecus Saussure 1860, p. 314; Po cock 1910, 

 p. 209. 



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



TYPE AND PARATYPE LOCALITY: San Andreas Tuxtla, Veracruz, 

 Mexico. 

 Rhysodesmus zendalus (Humbert and Saussure). 



Polydesmus zendalus Humbert and Saussure 1869, p. 150. 



Polydesmus (Fontaria) zendalus Saussure and Humbert 1872, p. 34; 

 Pocock 1910, p. 210. 



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



TYPE AND PARATYPE LOCALITY: Eastern Cordillera, Mexico. 



Genus STENODESMUS Saussure 1859, p. 327 



TYPE SPECIES: Stenodesmus mexicanus Saussure, by original des- 

 ignation. 

 Stenodesmus mexicanus Saussure 1859, p. 327. 



TYPE: Mus. Hist. Nat. Geneve. 



TYPE AND PARATYPE LOCALITY: Cordoba, Mexico. 



Suborder PARADOXOSOMATIDEA 

 Family PARADOXOSOMATIDAE 



This family has been known for years as the Strongylosomidae or 

 Strongylosomatidae but the reasons for the above usage are presented 

 by Jeekel 1963a. 



Genus MESTOSOMA Silvestri 1897b, p. 3. 



TYPE SPECIES: Strongylosoma salvadori Silvestri, by original des- 

 ignation. An imposing list of synonyms of this genus, none of which 

 includes any Mexican or Central American species, is given by Jeekel 

 1963a. 

 Mestosoma isthmianum Loomis 1961, p. 107. 



TYPE: U.S. Nat. Mus., no. 2646. 



TYPE LOCALITY: Alahjuela, Panama Prov., Panama. 



PARATYPE LOCALITIES: Same, and Balboa, Paraiso, and Pedro 

 Miguel, Canal Zone. 

 Mestosoma pulvillatum (Attems). 



Strongylosoma pulvillatum Attems 1899, p. 293. 



Habrodesmus pulvillatus Attems 1914b, p. 214; Jeekel 1963a, p. 32. 



