CHECK LIST N. AMER. AMPH. KEPT. 47 



Callisaurus ventralis ventralis (Hallowell) 

 GRIDIRON-TAILED LIZARD 



Homalosaurus ventralis Hallowell 



Proc. Ac. Nat. Sci. Phila., Vol. 6, 1852, p. 179. 

 Callisaurus ventralis Baird 



U. S. Mex. Bound. Surv., Vol. 1, Pt. 2, 1859, Rept., p. 8. 

 Callisaurus draconoides ventralis Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 272, fig. 25. 



TYPE locality: New Mexico west of Rio Grande. 

 range: Texas to California, north to Nevada, southward to 

 Mexico at least to Guaymas. 



Callisaurus ventralis gabbii Cope 



Callisaurus ventralis gabbii Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 272. 



TYPE locality: Northern Lower California. 

 range : Lower California, deserts of southern California and 

 adjacent deserts in Arizona. 



Callisaurus ventralis inusitatus (Dickerson) 



Callisaurus inusitatus Dickerson 



Bull. Amer. Mus. Nat. Hist., Vol. 41, Oct. 2, 1919, p. 465. 



TYPE locality: Tiburon Island, Gulf of California. 

 range: Tiburon Island and region about Guaymas, Mexico. 



Callisaurus ventralis myurus Richardson 



Callisaurus ventralis myurus Richardson 



Proc. U. S. Nat. Mus., Vol. 48, Jan. 19, 1915, p. 408. 



TYPE locality: Pyramid Lake Indian Agency, Nevada. 

 range: Region about Pyramid Lake, Nevada. 



Uma (GENUS) 



Baird, Proc. Ac. Nat. Sci. Phila., 1858, p. 253 

 type: notata 

 Uma notata Baird 



Uma notata Baird 



Proc. Ac. Nat. Sci. Phila., 1858, p. 253. 

 Uma notata Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 277, fig. 27. 



TYPE locality: Mojave Desert, California. 

 range: Yuma and Mojave Deserts. 



