17 



repulía: SAURlA: TEIIDAE -^ -^ AMEIVA 



A ME I VA Meyer 



1795 Ame iua J- Meyer, Synopsis Reptilium: 27. Type-species: Ame iua americana Meyer. 



1800 Ame i va Bechstein (emendation of Ame i ua Meyer), in Laclpede, Naturgesch ichte der Amphibien, 2: 44. 



1828 Cnem i dotus Wagler, isis von Oken, 21: 860. Type-spec i es: Lacerta ame i va Linnaeus. 



1833 Pachylobronchus Wagler, Isis von Oken, 26: 851. Type-spec ! es: Lacerta ame iva Linnaeus. 



1840 Am ieva Gray, Ann. Mag. Nat. Hist., (l) 5= 114. Type-species: Amieva tr il ineata Gray. 



1843 Phol i doscel i s Fitzinger, Systema Reptilium; 20. Type-species: Amei va ma jor Duméril and Bibron. 



I869 Holcosus Cope, Proc. Acad. Nat. Sc i . Phila., 1868: JOS. Type-species: Holcosus br i does i i Cope. 



I876 Amiva Cope (in error for Ameiva ). Jour. Acad. Nat. Sci. Phila., (2) 8 (I875): II7. 



1892 Tiaporus Cope, Proc. Amer. Phil. Soc, 3'^' 132. Type-species: Tiaporus fuliqinosus Cope. 



1500 Te japorus Cope (emendation of Tiaporus ). Ann. Rept. U.S. Nat. Mus., I858: 56O. 



Distribution: Mexico, Central and South America. 



Content: About I5 species, eleven of which are found within limits set for this work. 



Key to the species Clave de especies 



1. Head plates smooth 2 1. Placas cefálicas lisas 2 



Head plates rugose septeml i neata Placas cefálicas rugosas septeml i neata 



2. Frontal plate divided 3 2. Placa frontal dividida 3 



Frontal plate entire 5 Placa frontal entera 5 



3. Frontal plate divided into several smaller 3- Placa frontal dividida en varias escamas 4 



scales 4 Placa frontal dividida en dos b i f rontata 



Frontal plate divided in two equal scales 



b i f rontata 4. Mesoptychium con escamas ensanchadas orces i 



Mesoptychium con escamas subiguales br i does i i 



4. Mesoptychium with enlarged scales orces i 



Mesoptychium with subequal scales br i dqes i i 5* Frontopar i etales y parietales en contacto con 



el interpar ietal 6 



5. Frontoparietal and parietal plates in contact Frontopar i etales y parietales separados del 



with interparietal 6 interparietal por una o dos hileras de 



Frontoparietal and parietal plates separated escamitas leptophrys 



from interparietal by one or two rows of small 



scales leptophrys 6. Región guiar con escamas centrales no distinta- 

 mente ensanchadas 7 



6. Guiar region without enlarged scales 7 Región guiar con escamas centrales nítidamente 



Guiar region with median scales distinctly ensanchadas- 



enlarged 8 



7. Doce hileras de escamas ventrales ame i va 



7. Twelve rows of ventral plates ame i va Ocho hileras de escamas ventrales edracantha 



Eight rows of ventral plates edracantha 



8. Escamas guiares ensanchadas rodeadas por 



8. Enlarged guiar scales surrounded by smaller escamas menores 5 



scales 9 Escamas guiares ensanchadas rodeadas por 



Enlarged guiar scales surrounded by scales escamas gradualmente menores 11 



gradually decreasing in size 11 



9. Escamas guiares ensanchadas no dispuestas en 



9. Enlarged guiar scales not arranged in single una hilera longitudinal; un interparietal 10 



longitudinal row; one interparietal 10 Escamas guiares ensanchadas dispuestas en una 



Enlarged guiar scales arranged in single longi- hilera longitudinal; dos interparietales 



tudinal row; two interparietals cha i tzam i cha i tzam i 



10. Enlarged guiar scales larger than mental 10. Escamas guiares ensanchadas de mayor extension 



f est i va que el sinfisial f est i va 



Enlarged guiar scales much smaller than mental- Escamas guiares ensanchadas mucho menores que 

 undulata el s i nf is i al undulata 



■'•Meyer actually named this genus Ame iua . not Ame i va . It is clear from the remainder of his text that 

 the "V" is actually a capital "U", in Latin characters. While Ame iua has obvious priority, it is not 

 used in this check list, which is only a summary of current usage. 



