38 BULLETIN 32, UNITED STATES NATIONAL MUSEUM. 



Vera Cruz, Sartorius. 



Subspecies kokjmosus Wiegm. ; Cope, I.e., j). 402. 

 Jala^a, Moutesdeoca, Comision Geogrdfica. 



Subspecies minor Cope, 1. c., p. 402. 

 Guanajuato, Duges. 



ScELOPORUS jARROvii Cope, Eeport U. S. Geol. Expl. Surv. W. oflOOth Mer.,p. 569, 

 pi. xxiii, figs. 2, 21), 2c, 2d. 

 Southern Arizona ; Ciudad, Forrer. 

 ScELOPORUS ORNATUS Baircl, Proc. Acad. Phila., 1858, p. 254; Eept. U. S. & Mex« 

 Bound. Surv., Zool. Eeptiles, p, 5. 

 Patos Coabuila, Couch. 

 SCELOPORUS DUGESi Bocourt, Miss. Sci. Mexiqne, iii, p. 188, pi. xviii, figs. 7, 7a, 7b; Tre- 

 pidolcpis intcrmedius Dug<5s, La Naturaleza, Mexico, vol. iv, p. 29, pi. i, figs. 21-32. 

 Guanajuato, Duges. 



Callisaurus Blainv. 



Nouv. Ann. Mus. Hist. Nat. , iv, 1835, p. 233 ; Homalosaurns Hallow. ; Sitgreaves Exped., 

 1853, p. 116. 



Callisaurus dracontoides Blainv., loc. cit., i)l. xxiv, 2 sta. ; Homalosaurns ventralis 

 Hallow., loc. eit., ]}\. vi. 

 Lower California, Xautus, Botta, Fislier. 



Holbrookia Girard. 



Proc. Amer. Ass. Adv. Sci., 1850-'51, p. 201; CopJiosaurus Trosch. ; Wiegni. Arcbiv, 

 1850-'52, p. 389. 



Holbrookia elegans Bocourt, Miss. Sci. au Mex., 1874, iii, Eept., p. 164, pi. xvii, 

 bis, figs. 8, Sa; H. Bischoffi Cope, Proc. Acad. Phila., 1868, p. 310 (no description). 

 Mazatlan, Peters, Bischoff; S. of Chihuahua, Foils. 

 Holbrookia maculata Gird., Proc. Amer. Ass. Adv. Sci., 1850-'51, p. 201. 



Subsi)ecies approximajsts Baird; Cope, Proc. Amer. Philos. Soc, 1879, p. 265; 

 Holhroolcia approximans Baird, Proc. Phila. Acad., 1858, Dec. U. S. & Mex. Bound. 

 Surv. Eept., p. 8. 

 Guanajuato, Duges; Chihuahua, Wilkinson. 

 Holbrookia texana Troschel; Bd. & Gird., Proc. Acad. Phila., vi, 1852, p. 125; 

 CopTiosaurus texanus Troschel, Wiegmann's Archiv, 1850-'.52, p. 389. 

 Monterey, Tamaulipas, E. D. Cope; S. of Chihuahua, Foils; Chihuahua, Willcinson. 

 Holbrookia propinqua Baird; Gird., Proc. Acad. Phil9,., 1852, p. 126; Cope, Bull. 

 U. S. Nat. Mus., No. 17, 1880, p. 15; Boulenger, Catal. Liz. Brit. Mus., ii, 1885, 

 p. 208. 

 Presidio, W. Mexico, Forrer. 



Phrynosoma Wiegmann. 



Isis von Oken, 1828, p. 367 ; Wagler, Nat. Syst. Amphib., 1830, p. 323. 



Phrynosoma modestum Girard, Stansbury's Salt Lake, 1852, 361, pi. vi; U. S. & 

 Mexican Boundary Survey, Eeptiles, p. 10. 

 City of Chihuahua, Wilkinson. 



Phrynosoma orbiculare Hernandez ; Tapaya axin, Lacerius orMcularis, Hernandez, 

 Nov. Plant. Auim. Miss. Mex., 1651, c. xvi, p. 327, fig. sine numero ; Id., Linn;eus, 

 Syst. Nat., 1789, p. 1062; Phrijnosoma orhiculare, Wagler, Descr. et Icon., Amphib., 

 1833, pi. 23, fig. 1-2; Id., Schinz. Naturg. and Abild. der Eept., 1833, pi. 27, fig. 2; 

 Id., Gravenhorst, Act. Acad. Cs&s. Leop. Carol. Nat. Cur., t. xvi, pt. 2, 1833, p. 

 912, pi. 63; Wiegm.ann, Herp. Mex., 1834, p. 53; Dum. et Bibr., Erp. G6u-., t. iv, 



