233^ 



repulía: SAURIA: IGUANIDAE * * POLYCHRUS 



POLYCHRUS Cuvier 



I8I7 Polychrus Cuvier, Regne Animal, 2; 40. Type-spec Íes: Lacerta marmorata Linnaeus. 



I827 Polycrus Gray (emendation of Polychrus Cuvier), Phil. Mag., 2: 57' 



I827 Polychnus Berthold (in error for Polychrus Cuvier), in Latreille's Naturllche Familien des 



Thierreichs: 9*' 

 1843 Ecphymatotes Ftlzinger, Systema Reptilium: 62. Type-species: Polychrus acut i rostr is Spix. 

 1845 Sphaerops Gray, Cat. Liz. Brit. Mus.: I83. Type-species: Polychrus anomalus Wiegtnann. 

 I87O Chaunolaemus Peters, Monats. Akad. liiiss. Berlin, I865: 786. Type-species: Polychrus 



( Chaunolaemus ) mult i car i na tus Peters. 



Distribution: South America. 

 Content: Five species. 



Key to the species Clave de especies 



1. Scales of sides larger than middorsal scales, 1. Escamas de los lados mayores que escamas del 



and separated by much smaller granules 2 medio dorso y separadas por granulos mucho más 



Scales of flanks not larger than middorsals and chicos 2 



in contact with each other, not separated by Escamas de los flancos no mayores que las del 



granules 3 medio dorso y en contacto, no separadas por 



granulos 3 



2. Femoral pores fewer than 12, dorsals distinctly 2. Menos de 12 poros femorales, dorsales distinta- 



keeled acut i rostr is mente qui Hadas acut i rostr is 



Femoral pores more than IJ, dorsals smooth or Más de I5 poros femorales, dorsales lisas o 

 weakly keeled femoral i s ligeramente quilladas femoral i s 



3. Serie baja de escamas levantadas que forman una 



3. Low series of raised scales forming midventral cresta ventral media desde el mental al 



crest from mental to guiar appendage 4 apéndice gular- 



No low series of raised scales on midventral Serie de escamas levantadas en la linea media 



line between chin and throat out turosus ventral entre mentón y garganta ausente 



qutturosus 



4. Pectoral and ventral scales keeled marmoratus 4. Escamas pectorales y ventrales quilladas 



Pectoral and ventral scales smooth 1 i oqaster marmora tus 



Escamas pectorales y ventrales lisas — 1 i oqaster 



POLYCHRUS ACUTIROSTRIS Spix 



I825 Polychrus acut irostri s Spix, Sp. Nov. Lac. Bras.: 15, pl. 14a. Type-locality: Bahia, Brazil. 

 I834 Polychrus anomalus Wiegmann, Herpetologia Mexicana: 16. Type-local i ty: Brazil. 



Distribution: Southern Brazil, Uruguay, Paraguay, Argentina, and eastern Bolivia. 



POLYCHRUS FEMORAL IS Werner 



iqiO Polychrus femoralis Werner. Mitt. Naturhist. Mus. Hamburg, 27 (2): 21. Type-locality: Guayaquil, 

 Ecuador. 



Distribution: Lowlands in southwestern Ecuador. 



POLYCHRUS GUTTUROSUS Berthold 



1846 Polychrus qutturosus Berthold, Nachr. Univ. Konigl. Gesell, Wiss. Gottingen, 8-10: 11. Type- 

 locality: Popayan, Colombia, 



Distribution: Pacific Ecuador north into Costa Rica and Nicaragua. 



Content: Two subspecies. 



369-215 0—70- 



