105 



REPULÍA: SAURIA: IGUANIDAE * * * CTENOSAURA 



CTENOSAURA Wiegmann 



1828 Ctenosaura Wiegmann. Isis von Oken, 21: 37I. Type-species: Ctenosaura cycluroides Wiegmann. 



Distribution: Baja California, Mexico, through Central America, including many coastal islands; San 

 Andres and Old Providence Island. 



Content: Five species, only two of which occur within limits of this work. 



Key to the species Clave de especies 



1. Median row of dorsal scales distinctly enlarged 1, Hilera medio dorsal de escamas agrandadas y 



into spiny crest, which occurs from nape to extendidas desde la nuca al término de la 



end of tail without interruption at sacrum cola, sin interrupción en el sacro s imilis 



s im il is Hilera medio dorsal de escamas bajas y no 



Median row of dorsal scales low and interrupted extendidas continuamente desde la nuca al 



at the sacrum bakeri término de la cola, interrupción sacral 



presente bakeri 



CTENOSAURA BAKERI Stejneger 



1901 Ctenosaura bakeri Stejneqer, Proc. U.S. Nat. Mus., 23: 46/. Type-locality: Utilla Island, 

 Honduras. 



Distribution: Utilla, Bonacca and Reatan Islands, Honduras. 

 CTENOSAURA SIMILIS (Gray) 



I83I Iguana ( Ctenosaura ) S imil is Gray, Synopsis Species Class Reptilia, In Griffith, Ouvier's Animal 

 Kingdom, '): 38. Type-locality: none given; restricted to Tela, Honduras, by Bailey, Proc. U. 

 R. Nat. Mus., 73 (12), 1925, 32. 



1925 Ctenosaura s im i 1 is — Ba iley,, Proc. U. S. Nat. Mus., 73 (l2): 32. 



Distribution: Lowlands of southern Mexico to sandy beaches of Panama; Old Providence and San Andres 

 I slands. 



Content: Two subspecies, one of which ( mult ipunctata Barbour and Shreve) is extral im i tal. 



Ctenosaura s im i 1 is s im i 1 is (Gray) 



I874 Ctenosaura completa Bocourt, Miss. Sci. Mex., Reptl.: 145» Type-locality: Guatemala and 



La Union, Salvador; restricted by Smith and Taylor, Bull. U. S. Nat. Mus., I99, I95O, 73. 

 1934 Ctenosaura similis similis — Barbour and Shreve, Occ. Pap. Boston Soc. Nat. Hist., 8: I97, 



Distribution: Low and moderate elevations from Isthmus of Tehuantepec, Mexico, south to 

 Panama. 



369-215 O— 70 



