142 U.S. NATIONAL MUSEUM BULLETIN 220 



Sceloporus rufidorsum Yarrow 



Proc. U.S. Nat. Mus., vol. 5, p. 442, 1882. 



=Sceloporus magister rufidorsum Cope 



HoLOTYPE: 11981, San Quintin Bay, Baja California, Mexico, L. Belding, 

 1882. This specimen is macerated ; only the bones are left. 



Paratypes (5) : 11971, Cedros Island, Baja California, Mexico (given as 

 "Cerros Island" in the original description), L. Belding. 12667 (4), La 

 Paz, Baja California, Mexico, L. Belding, 1882. One from 11971 was 

 exchanged to MZUM in 1923. 



Sceloporus scalaris slevini Smith 



Occ. Pap. Mus. Zool. Univ. Michigan, No. 361, p. 3, 1937. 

 Paratypes (3) : 47064-5, Guadalupe y Calvo, Chihuahua, Mexico, E. W. 

 Nelson and E. A. Goldman, Sept. 8, 1898. 58444, Chihuahua, Mexico, 



J. Hurter, May 1902. 



Sceloporus scalaris unicanthalis Smith 



Occ. Pap. Mus. Zool. Univ. Michigan, No. 361, p. 4, 1937. 

 Paratype: 47884, Atemajac, Jalisco, Mexico, E. W. Nelson, May 25, 

 1892. 



Sceloporus serrifer Cope 



Proc. Acad. Nat. Sci. Philadelphia, vol. 18, p. 124, 1866. 

 =Sceloporus serrifer serrifer Cope 



HoLOTY^PE: 24868, Yucatan, Mexico (restricted to Merida, Yucatan), A. 

 Schott. 

 Paratypes (7) : 10298, $ , 24869-74, same data. 



Sceloporus serrifer plioporus Smith 



Field Mus. Nat. Hist., Zool. Ser., vol. 26, p. 212, pi. 18 (right), 1939. 

 Paratype: 138896 (formerly UIMNH 27362), 5 to 6 miles east of Jalapa, 

 Veracruz, Mexico, E. H. Taylor, Sept. 6, 1936. 



Sceloporus siniferus Cope 



Proc. Amer. Philos. Soc, vol. 11, p. 159, 1869. 



=Sceloporns siniferus siniferus Cope 



Cotypes (18) : 30453-6, 30458-71, Pacific side of Isthmus of Tehuan- 

 tepec, Oaxaca, Mexico (restricted to Tehuantepec City, Oaxaca, F. Sumi- 

 chrast. 30457 was exchanged to UIMNH in 1956. 



Sceloporus smaragdinus Bocourt 



Recherches zoologiques, in Mission scientifique au Mexique et dans 



I'Amerique Centrale, pt. 3, text and plates, p. 186, pi. 18, fig. 6, pi. 



19, fig. 1, 1874. 



=Sceloporus malachiticus smaragdinus Bocourt 



V Cotype: 11000, "Mexico" (probably from Guatemala, in vicinity of Solola, 



Totonicapam, and Quetzaltenango, as given in original description) , MHNP. 



