139 



REPULÍA: SAURlA: HELODERMATIDaE "^ * * * 



HELODERMA 



HELODERMA Wiegmann 



1825 TrachyderfUa Wiegmann (preoccupied by Trachyderma Latre ¡lie, 1825, Insecta), Isis von Oken, 22: 



421. Type-species: Trachyderma horridum Wiegmann. 

 1825 Heloderma W i egmann (substitute name for Trachyderma Wiegmann), Isis von OI<en, 22: 627. 

 I83I Holoderma Gray ( in error for Heloderma Wiegmann), Synopsis Species Class Reptilia, in Griffith, 



Cuvier's Animal Kingdom, 5: 28. 



Distribution: Guatemala through Mexico to Arizona. 

 Content: Two species, one ( suspectum Cope) ex tral im i tal. 



HELODERMA HORRIDUM (Wiegmann) 



1825 Trachyderma horridum Wiegmann. Isis von Oken, 22: 421. Type-locality: Mexico. 

 I825 Heloderma Horridum Wiegmann. Isis von Oken, 22: 627. 



Distribution: Pacific Slope from Sonora, Mexico, to Northern Guatemala. 



Content: Three subspecies, two ( horridum Wiegmann and exasperatum Bogert and Martin del Campo) 

 extral im i tal. 



Heloderma horridum alvarez i Bogert and Martin del Campo 



15*56 Heloderma horridum alvarezi Bogert and Martin del Campo, Bull. Amer. Mus. Nat. Hist., IO5: J2, 

 figs. 7, 11, 15; pi. 3, figs. 1-3; pi. 13, fig. 5. Type-locality: Tuxtla Gutiérrez, 

 Ch iapas, Mex ico. 



Distribution: Valley of Rio Grijalva, Chiapas to Rio Lagartero Depression, southwestern 

 Guatemala. 



