78 U.S. NATIONAL MUSEUM BULLETIN 266 



Allopocockia purulana (Chamberlin). 



Arolus pumlanus Chamberlin 1922, p. 35; Kraus 1954, p. 336. 



TYPE: U.S. Nat. Mus., no. 842. 



TYPE AND PARATYPE LOCALITY: Purulha, Guatemala. 

 Allopocockia tylopus (Pocock). 



Spirobolellus tylopus Pocock 1908, p. 87; Brolemann 1913, p. 478. 



TYPE: British Mus. 



TYPE AND PARATYPE LOCALITY: Tecpan, Guatemala. 



Genus CHELOGONOBOLUS Carl 1919, p. 399. 



TYPE SPECIES: Spirobolus nahuus Saussure and Humbert, by original 

 designation. 

 Chelogonobolus atriculus (Pocock). 



Spirobolellus articulus Pocock 1908, p. 88; Keeton 1960b, p. 137. 



Allopocockia articulus Kraus 1954, p. 336. 



TYPE: British Mus. 



TYPE LOCALITY: Volcan de Agua, Guatemala. 

 Chelogonobolus nahuus (Humbert and Saussure). 



Spirobolus nahuus Humbert and Saussure 1869, p. 154. 



Spirobolellus nahuus Pocock 1908, p. 88; Carl 1919, p. 401. 



TYPE: Mus. Hist. Nat. Geneve. 



TYPE AND PARATYPE LOCALITY: Sierra de Moyoapan, Eastern 

 Cordillera, Mexico. 

 Chelogonobolus rotundatus (Kraus). New combination. 



Allopocockia rotundata Kraus 1954b, p. 337. 

 TYPE: Senckenberg Mus., Frankfurt. 



TYPE AND PARATYPE LOCALITY: Monte Cristo, Metapan Mts., 

 Dept. Santa Ana, El Salvador. 



Genus SCHMIDTOLUS Chamberlin 1953a, p. 149. 



TYPE SPECIES: Schmidtolus chichivacus Chamberlin, by original 

 designation. 

 Schmidtolus chichivacus Chamberlin 1953a, p. 149. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: Chichivac, Guatemala. 



PARATYPE LOCALITIES: Same, and Sta. Elena, near Tecpan, Guat- 

 emala. 

 Schmidtolus parvior Chamberlin 1953a, p. 150. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE AND PARATYPE LOCALITY: Volca'n Tajumulco, Guatemala. 



