MILLIPEDS OF MEXICO AND CENTRAL AMERICA 39 



PARATYPE LOCALITIES: Same, and Laguna Verde and Laguna de 

 las Ninfas, Dept. Ahuachapan, El Salvador. 



Genus PARARHACHISTES Pocock 1909, p. 177. 



TYPE SPECIES: Pararhachistes elevatus Pocock, by original desig- 

 nation. 

 Pararhachistes amblus Chamberlin 1942b, p. 13. 



TYPE: Escuela Nat. Mexico City. 



TYPE AND PARATYPE LOCALITY: Cuevade Jutxlahuaca,Colotlipa, 

 Guerrero, Mexico. 

 Pararhachistes elevatus Pocock 1909, p. 178. 



TYPE: British Mus. 



TYPE AND PARATYPE LOCALITY: Omilteme, Guerrero, Mexico. 

 Pararhachistes galeanae Chamberlin 1943b, p. 52. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: Laguna de Labradores, Galeana, Nuevo Leon, 

 Mexico. 

 Pararhachistes potosinus Chamberlin 1943b, p. 53. 



TYPE: Collection of R. V. Chamberlin. 



TYPE AND PARATYPE LOCALITY: Tamazunchale, San Luis Potosi', 

 Mexico. 

 Pararhachistes vertebratus Pocock 1909, p. 178. 



TYPE: British Mus. 



TYPE LOCALITY: Amula, Guerrero, Mexico. 



Genus PHOROSITUS Chamberlin 1952a, p. 562. 

 TYPE SPECIES: Phorositus grana/i/er Chamberlin, by original desig- 

 nation. 



Phorositus granulifer Chamberlin 1952a, p. 562. 

 TYPE: Chicago Nat. Hist. Mus. 

 TYPE AND PARATYPE LOCALITY: VolcanTajumulco, Guatemala. 



Genus RHACHIDOMORPHA Saussure 1860, p. 326. 



Microrhachis Carl 1903, p. 556; Pocock 1909, p. 174. 

 TYPE SPECIES: Polydesmus (Rhachidomorpha) tarasca Saussure, by 

 monotypy. 

 Rhachidomorpha adunca (Saussure and Humbert). 



Polydesmus (Rhachidomorpha) aduncus Saussure and Humbert 1872, 



p. 158; Attems 1899, p. 410. 

 Polydesmus (Rhachidomorpha) uncinatus Humbert and Saussure 1869, 



p. 152 (uncinatus preoccupied). 

 Rhachis (Microrhachis) uncinatus Carl 1903, p. 556; Pocock 1909, 



p. 175. 

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



