﻿212 3. 1GUANIDM 



40. Uta graciosa (Hallowell) 



Long-tailed Uta 



Plate 17 



Urosaurus graciosus Hallowell, Proc. Acad. Nat. Sci. Phila., Vol. 7, 1 854, 

 p. 92 (type locality, "Lower [=Southern. ? ] California") ; Hal- 

 lowell, Rep. Pac. R. R. Surv., Vol. X, Pt. 4-, 1859, p. 4-, pi. VII, 

 fig. la-le. 



1? Ano/is coo-peri Baird, Proc. Acad. Nat. Sci. Phila., 1858, p. 254 

 (type locality, "California"?). 



Uta graciosa Baird, U. S. Mex. Bound. Surv., Vol. II, 1859, p. 92; 

 Cope, Proc. Acad. Nat. Sci. Phila., 1866, p. 310; Cope, Bull. U. S. 

 Nat. Mus., No. 1, 1875, p. 48; Yarrow, Bull. U. S. Nat. Mus., 

 No. 24. 1883, p. 54 (part); Stejneger, N. Amer. Fauna, No. 7, 

 1893, p. 177; Van Denburgh, Occas. Papers Cal. Acad. Sci., V. 

 1897, p. 69, fig.; Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 

 325, fig. 46; Meek, Field Columbian Mus., Zool. Ser., Vol. VII, 

 No. 1, 1906, p. 10; Ditmars, Reptile Book, 1907, p. 125; Van 

 Denburgh & Slevin, Proc. Cal. Acad. Sci., Per. 4, Vol. 3, 1913, 

 p. 402; Camp, Univ. Cal. Pubis. Zool., Vol. 12, No. 17, 1916, p. 

 525; Grinnell & Camp, Univ. Cal. Pubs. Zool., Vol. 17, No. 10, 

 1917, p. 156; Stejneger & Barbour, Check List N. Amer. Amph. 

 Rept., 1917, p. 50; Stephens, Copeia, No. 54, 1918, p. 34; 

 Stephens, Trans. San Diego Soc. Nat. Hist., Vol. Ill, No. 4, 1921, 

 p. 61 ; Van Denburgh & Slevin, Proc. Cal. Acad. Sci., Scr. 4, Vol. 

 XI, 1921, pp. 28, 51, 58; Nelson, Mem. Nat. Acad. Sci., Vol. 

 XVI, 1921, pp. 114, 126; Schmidt, Amer. Mus. Novitates, No. 22, 

 1921, p. 5. 



Uta gratiosa Coues, Surv. W. 100th Merid., Vol. V., 1875, p. 596; Bou- 

 lenger, Cat. Lizards Brit. Mus., Vol. II, 1885, p. 213 (part)?; 

 Mocquard, Nouv. Arch. Mus., Hist. Nat., Ser. 4, Vol. I, 1899, 

 p. 307 (?). 



Description. — Body and tail very slender, former as 

 well as head slightly depressed. Snout rounded but rather 

 narrow, with nostrils opening in small round plates, much 

 nearer to end of snout than to orbit. Plates on head mod- 

 erately large, smooth and almost flat; interparietal largest. 

 Frontal plate usually divided transversely. Inner series of 



