CHECK LIST N. AMER. AMPH. KEPT. 73 



HELODERMATIDAE (FAMILY) 

 Heloderma (GENUS) 



WiEGMANN, Isis, 1829, p. 624 

 type: horridum 



Heloderma suspectum Cope 

 GILA MONSTER 



Heloderma suspectum Cope 



Proc. Ac. Nat. Sei. Phila., 1869, p. 5. 

 Heloderma suspectum Cope 



Ann. Rep. U. S. Nat. Mas., 1898 (1900), p. 476, fig. 87. 

 TYPE locality: Sierra de la Union, Arizona ("Sonora"). 

 range: Extreme southern Utah and Nevada, Arizona, and So- 

 nora. 



XANTUSIIDAE (FAMILY) 



Xantusia (GENUS) 



Baird, Proc. Ac. Nat. Sci. Phila., 1858, p. 255 

 type: vigilis 



Xantusia arizonae Klauber 



Xantusia arizonae Klauber 



Trans. San Diego Soc. Nat. Hist., Vol. 7, No. 1, Oct. 6, 1931, p. 1, pi. 1. 

 TYPE locality: Yarnell, Yavapai County, Arizona. 

 range: The type locality. 



Xantusia gilberti Van Denburgh 

 Xantusia gilberti Van Denburgh 



Proc. Calif. Ac. Sci., Ser. 2, Vol. 5, 1895, p. 121, pi. 11. 

 Amoebopsis gilbertii Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 555, fig. 101. 



TYPE locality: San Francisquito, Sierra Laguna, Lower Cali- 

 fornia. 

 range: Southern Lower California. 



Xantusia henshawi Stejneger 



Xantusia henshawi Stejneger 



Proc. U. S. Nat. Mus., Vol. 16, July 21, 1893, p. 467. 

 Zablepsis henshavii Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 553, fig. 100. 



TYPE locality: Witch Creek, San Diego County, California. 



range: Rocky areas on both slopes of the mountains from south- 

 ern Riverside County, California to the San Pedro Martir 

 Mountains, Lower California. 



