208 BULLETIN 199, UNITED STATES NATIONAL MUSEUM 



2. Scales bordering posterior gular fold small, rather widely separated from each 



other, considerably smaller than median chest scales grandis (p. 208) 



Scales bordering posterior gular fold larger, in contact with each other or nar- 

 rowly separated, about as large as median chest scales -.rackhami (p. 208) 



XENOSAURUS NEWMANORUM Taylor 



Xenosaurus newmanorum Taylor, Univ. Kansas Sci. Bull., vol. 33, 1949, pp. 

 183-187. 



Type. — Louisiana State Univ. No. 85; Marcella Newman collector. 

 Type locality. — "Xilitla Region" (near Xilitla, San Luis PotosI). 

 Range. — Known only from the type locality. 



XENOSAURUS GRANDIS (Gray) 



Cubina grandis Gray, Ann. Mag. Nat. Hist., ser. 2, vol. 18, 1856, p. 270. 

 Xenosaurus grandis, Cope, Proc. Acad. Nat. Sci. Philadelphia, 1866, p. 322. — 



BocouRT, Mission scientifique au Mexique . . . , fitudes sur les reptiles, 



livr. 5, 1878, pp. 303-306, pi. 20F, figs, la-d. If, Ig.— Cope, Ann. Rep. U. S. 



Nat. Mus., 1898 (1900), pp. 538-539.— Barrows and Smith, Univ. Kansas 



Sci. BuU., vol. 31, 1947, pp. 227-281, pis. 11-16. 

 Xenosaurus fasciatus Peters, Monatsb. Acad. Wiss. Berlin, 1861, p. 453 (type 



locality, Huanusco [=Huatusco], Veracruz; Berl. Mus.). 



Type.— Brit. Mus. Nat. Hist.; A. Sall^ collector. 



Type locality. — C6rdoba, Veracruz (probably from nearby moun- 

 tains) . 



Range. — Foothills of central Veracruz southward to the Isthmus. 

 Reported from Veracruz: Huanusco [=Huatusco], C6rdoba, Orizaba; 

 Oaxaca: "Oaxaca," Tehuantepec* 



XENOSAURUS RACKHAMI Stuart 



Xenosaurus rackhami Stuart, Proc. Biol. Soc. Washington, vol. 54, 1941, pp. 

 47-48. — Smith, Journ. Washington Acad. Sci., vol. 39, 1949, p. 43. 



Type.—M.ns. Zool. Univ. Michigan No. 89072. 



Type locality. — Finca Volcan, 49 km. east of Coban, Alta Verapaz, 

 Guatemala, 4,000 feet. 



Range. — The highlands of central eastern Chiapas and adjacent 

 Guatemala. Recorded in Mexico only from Chiapas: Santa Rosa 

 (near Comitan) . 



Family ANNIELLIDAE Boulenger 



Aniellidae Cope, Proc. Acad. Nat. Sci. Philadelphia, 1864, p. 230. 

 Anniellidae BotrLENGER, Catalogue of the lizards in the British Museum, vol. 2, 

 1885, p. 299. 



Genera. — Only a single genus, Anniella Gray, is known. 



Range. — Southwestern California and northwestern Baja California. 



< Fide Cope, U. S. Nat. Mus. Bull. 32, 1887, p. 39. A sight record cited by Martin del Campo, Folleto 

 Div. Cient. Inst. Biol., No. 2, 1934, p. 7, of "Heloderma horridum" from Sierra de Zangolica, Veracruz, may 

 belong with this species; it is very unlikely that Heloderma actually occurs on the Atlantic coast. 



