MILLIPEDS OF MEXICO AND CENTRAL AMERICA 27 



OTHER LOCALITY: Valles, San Luis Potosf, Mexico (Causey 1954). 

 Pseudamplinus zuniulus (Chamberlin). 



Amplinus zuniulus Chamberlin 1952a, p. 577; Hoffman 1954a, p. 51. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE AND PARATYPE LOCALITY: Pinca (Pica?) Monte Cristo, 

 Volcan Zunil, Guatemala. 



Family HOLISTOPHALLIDAE 



This family, erected by Silvestri when he described the single in- 

 cluded genus, is being reviewed by R. L. Hoffman, who has added, in 

 his treatment, the other genera which appear here. 



Genus DUOPORUS Cook 1901, p. 403. 



TYPE SPECIES: Duoporus barretti Cook, by original designation. 

 Duoporus barretti Cook 1901, p. 404. 

 TYPE: Probably U.S. Nat. Mus. 

 TYPE AND PARATYPE LOCALITY: Cuernavaca, Morelos, Mexico. 



Genus ELCARMENIA Kraus 1954, p. 328. 



TYPE SPECIES: Elcarmenia engelhardi Kraus, by monotypy. 

 Elcarmenia engelhardi Kraus 1954b, p. 328. 



TYPE: Senckenberg Mus., Frankfurt. 



TYPE AND PARATYPE LOCALITY: Finca El Carmen, San Vincente 

 volcanos, Dept. San Vincente, El Salvador. 



Genus HOLISTOPHALLUS Silvestri 1909, p. 2. 



TYPE SPECIES: Holistophallus peregrinus Silvestri, by original des- 

 ignation. 

 Holistophallus peregrinus Silvestri 1909, p„ 4. 



TYPE: Torino Mus. 



TYPE LOCALITY: Tabasco, Mexico. 



OTHER LOCALITIES: Quirigua; Cacao Trace Aguas, Guatemala (Cham- 

 berlin 1922). Progreso, San Juan Pueblo, Honduras (Chamberlin 1922). 



Genus PAMMICROPHALLUS Pocock 1909, p. 183. 



TYPE SPECIES: Pammicrophallus ornatus Pocock, by original desig- 

 nation. 

 Pammicrophallus ornatus Pocock 1909, p. 184. 



TYPE: British Mus. 



TYPE AND PARATYPE LOCALITY: Omilteme, Guerrero, Mexico. 

 Pammicrophallus pasaquinae Kraus 1954b, p. 327. 



TYPE: Senckenberg Mus., Frankfurt. 



TYPE AND PARATYPE LOCALITY: At km. 198 on highway from 

 La Union after Pasaquina, Dept. La Union, El Salvador. 



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