66 3. IGUANIDM 



in any part of Arizona is extremely doubtful. Dr. Stejneger 

 informs me that the specimen upon which the Arizona record 

 is based "was obtained alive by Mr. P. L. Jouy, at Nogales, 

 from a Mexican peasant who brought it to town tied by a 

 string. It was probably taken not far from there." 



5. Ctenosaura hemilopha Cope 

 San Lucan Spiny-tailed Iguana 



Iguana acanthiira Blainvii.le, Nouv. Ann. Mus., Vol. IV, 1835, p. 288, 

 d.XXIV, fig. 1. 



Cyclura acanthura Dumeril & Bibron, Erpetologie Generale, Vol. IV, 

 1837, p. 222 (part) ; Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, 

 p. 71 ; Belding, West. Am. Scientist, Vol. Ill, No. 24-, 1887, p. 98. 



Ctenosaura sp., Baird, Proc. Acad. Nat. Sci. Phila., 1859, p. 300. 



Cyclura {Ctenosaura) hemilofha Cope, Proc. Acad. Nat. Sci. Phila., 

 1863, p. 105 (type locality. Cape St. Lucas); Cope, Bull. U. S. 

 Nat. Mus., No. 1, 1875, pp. 50, 93; Yarrow, Bull. U. S. Nat. Mus., 

 No. 24, 1883, p. 71; Garman, Bull. Essex Inst., Vol. XVI, No. 1, 

 1884, p. 19; Belding, West. Am. Scientist, Vol. Ill, No. 24, p. 98. 



Ctenosaura hemilopha Cope, Proc. Acad. Nat. Sci. Phila., 1866, p. 312; 

 BouLENGER, Cat. Lizards Brit. Mus., Vol. II, 1885, p. 197; Cope, 

 Proc. Amer. Philos. Soc, Vol. XXIII, 1886, p. 266; Cope, Bull. 

 U. S. Nat. Mus., No. 32, 1887, p. 33; Van Denburgh, Proc. Cal. 

 Acad. Sci., Ser. 2, Vol. V, 1895, p. 88; Mocquard, Nouv. Arch. 

 Mus. Hist. Nat. Paris, Ser. 4, Vol. I, 1899, p. 300; Cope, Report 

 U. S. Nat. Mus. for 1898, 1900, p. 238, fig. 17; Ditmars, Reptilt 

 Book, 1907, p. 107; Stejneger & Barbour, Check List N. Amer. 

 Amph. Rept., 1897, p. 44; Townsend, Bull. Amer. Mus. Nat. Hist., 

 Vol. XXXV, 1916, p. 430; Van Denburgh & Slevin, Proc. Cal. 

 Acad. Sci., Ser. 4, Vol. XI, 1921, No. 4, pp. 50, 55; Nelson, Mem. 

 Nat. Acad. Sci., Vol. XVI, 1921, pp. 84, 114, 115, 123; Terron, 

 Mem. y Rev. Soc. Cient. Antonio Alzate, Vol. 39, 1921, pp. 164, 

 165, 168. 



Ctenosaura acanthura Bocourt, Miss. Sci. Mex., Reptiles, 1874, p. 138. 



Ctenosaura interrufta Bocourt, Le Naturaliste, Vol. II, 1882, p. 47. 



Cyclura teres Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, p. 71. 



