42 U.S. NATIONAL MUSEUM BULLETIN 266 



TYPE: U.S. Nat. Mus., no. 2640. 



TYPE AND PARATYPE LOCALITY: "Probably Panama." 



Genus TIPHALLUS Chamberlin 1952a, p. 566. 



TYPE SPECIES: Tiphallus aberrans Chamberlin, by original designa- 

 tion. 

 Tiphallus aberrans Chamberlin 1952a, p. 566. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE AND PARATYPE LOCALITY: Tamazunchale, San Luis Potosf, 

 Mexico. 



Family SPHAERIODESMIDAE 



Genus COLOBODESMUS Brolemann 1905, p. 347. 



TYPE SPECIES: Colohodesmus biolleyi Brolemann, by monotypy. 

 Colobodesmus biolleyi Brolemann 1905, p. 350. 



TYPE: Mus. Nat. Hist. Natur., Paris. 



TYPE LOCALITY: San Jose', Costa Rica. 



PARATYPE LOCALITIES: Cachf, and Cariblanco, Costa Rica. 

 Colobodesmus cobanus (Chamberlin). New combination suggested by R. L. 



Hoffman. 



Sphaeriodesmus cobanus Chamberlin 1952a, p. 554. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: Coba'n, Guatemala. 



PARATYPE LOCALITY: Alta Verapaz, Guatemala. 

 Colobodesmus triramus Kraus 1954b, p. 320. 



TYPE: Senckenberg Mus., Frankfurt. 



TYPE LOCALITY: Finca la Yoya, km. 48 on highway behind Sonso- 

 nate, Dept. Sonsonate, El Salvador. 



PARATYPE LOCALITIES: Volca^'n Izalco, foot of Cerro Verde (Mala 

 Cara); Monte Cristo, Metapan Mts., Dept. Santa Ana, El Salvador. 



Genus CYCLODESMUS Humbert and Saussure 1869, p. 149. 



TYPE SPECIES: Cyclodesmus aztecus Humbert and Saussure, by mo- 

 notypy. 

 Cyclodesmus aztecus Humbert and Saussure 1869, p. 149. 



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



TYPE LOCALITY: Eastern Cordillera, Mexico. 



Genos CYLIONUS Cook 1898, p. 462. 



TYPE SPECIES: Sphaeriodesmus gracilis Humbert and Saussure, by 

 original designation. 

 Cylionus constrictus Pocock 1909, p. 127. 



TYPE: British Mus. 



TYPE LOCALITY: Volcan de Agua, Guatemala. 



