266 



TROPIDURUS 



TROPIDURUS MELANOPLEURUS Boulenger 



1502 Tropidurus melanopleurus Boulenger, Ann. Mag. Nat. Hist., (7) 10: 355. Type-locality: 



Tamampoya, Bolivia, 1200 m. 

 1524 Tropidurus praeornatus Müller. Mitt. Zool. Mus. Berlin, 11 (1523): 83. Type-locality: Rio 



Pilcomayo, between Tarija and San Francisco, Bolivia. 

 1524 Tropidurus pictus Miller, Mitt. Zool. Mus, Berlin, 11 (1523): 86. Type-locality: Rfo Pilcomayo, 



between Tarija and San Francisco, Bolivia. 



Distribution: Eastern foothills of Andes, in southern Peru and Bolivia. 



TROPIDURUS OCCIPITALIS Peters 



I87I Tropidurus ( Laemopristus ) occipital is Peters, Monats. Akad. Wiss. Berlin, I87I; 64$. Type- 

 locality: Peru. 



Distribution: Coastal areas and western foothills of Andes in southwestern Ecuador and northern am 

 central Peru. 



Content: Three subspecies. 



Key to the subspecies Clave de subespecies 



1. Vertebral scales at least 35; paravertebral 1. Escamas vertebrales por lo menos 35) esca- 



séales at least 5O; midbody scales at mas paravertebrales por lo menos 'jO; esca- 



least 60; throat of adult male with brown mas del medio cuerpo por lo menos 60; gar- 

 markings; dorsal neck and anterior body ganta del macho adulto con marcas pardas; 



with narrow brown transverse marks 2 parte dorsal del cuello y cuerpo anterior 



Vertebral scales not more than 40, para- con marcas transversales pardas angostas-2 



vertebral scales not more than 55; midbody Escamas vertebrales no mas de 40, escamas 

 scales not more than 65; male throat gray paravertebrales no más de 55; escamas del 

 with light bluish spots; dorsal neck and' medio cuerpo no más de 65; garganta del 



anterior body with wide dark brown trans- macho gris con manchas azuladas claras; 



verse spots occip i tal i s parte dorsal del cuello y cuerpo anterior 



con manchas transversales pardas oscuras 

 anchas occ ip i tal i s 



2. Fewer than 80 paravertebral scales; fewer 



than 80 midbody scales; adult male throat 2. Menos de 80 escamas paravertebrales; menos 



with bold, dark brown spots koepkeorum de 80 escamas del medio cuerpo; garganta 



More than 80 paravertebral scales; more del macho adulto con manchas pardas oscu- 



than 80 midbody scales; adult male throat ras conspicuas koepkeorum 



with light brown spots and dark brown Más de 80 escamas paravertebrales; mas de 



transverse guiar band stolzmann i 80 escamas del medio cuerpo; garganta del 



macho adulto con manchas pardas claras y 

 una banda guiar transversal parda oscura — 

 stolzmann i 



Trop i duros occ i p i tal i s occ ip i tal i s Peters 



I874 Aneuporus occ i p i tal is Bocourt (preoccupied by Trop i durus occ i pi tal i s Peters, I871), Miss. 



Sci. Max., Rept.: 215, Pl- 18, fig. 1, la-b. Type-locality: Peru. 

 I885 Trop idurus bocourt i i Boulenger (replacement name for Aneuporus occ ip i tal is Bocourt, 1874), 



Cat. Liz. Brit. Mus., 2: I73. 

 1507 Trop i durus tschudi i Roux, Rev. Suisse Zool., I5: 256. Type-locality: Peru. 

 1924 Tropidurus cont i nental i s MüUer. Mitt. Zool. Mus. Berlin, 11 (1523): 82. Type-locality: 



Machalilla, Ecuador. 

 1956 Tropidurus occipitalis occipitalis — Mertens, Senckenberg iana Biol., 37' 115j pl- 1^» fig» 



26-28} pi. 17, fig. 31. 



Distribution: Coastal areas of southwestern Ecuador and northwestern and western central 

 Peru. 



