148 BULLETIN 18 7, UNITED STATES NATIONAL MUSEUM 



TyTpe locality. — Puebla. 



Range. — Morelos and southeastern Puebla. 



TRIMORPHODON LYROPHANES (Cope) 



Lycodon lyroplianes Cope, Proc. Acad. Nat. Sci. Philadelphia, voL 12, 1860, 

 p. 343. 



Trimorphodon lyrophanes Cope, ihid., vol. 13, 1861, p. 297. — Klaubee, Trans. 

 San Diego Soc. Nat. Hist., vol. 9, 1940, pp. 181-187 (part), pi. 7, fig. 2.— 

 Smith, Proc. U. S. Nat. Mus., vol. 91, 1941, pp. 156-157, map fig. 38. 



Type.—U.Q.'^M. No. 4080. 



Type locality. — Cape San Lucas, Baja California. 



Range. — Southern half of Baja California. 



TRIMORPHODON PAUCIMACULATUS Taylor 



Trimorphodon paucimaculafus Taylor, Univ. Kansas Sci. Bull., vol. 24, 1936 

 (1938), pp. 527-529, pi. 46, fig. 1; vol. 25, 1938 (1C39), p. 360, pi. 35, fig. 3.— 

 Smith, Proc. U. S. Nat. Mus., vol. 91, 1941, p. 155, map fig. 38. 



Type.—B. H. Taylor-H. M. Smith Coll. No. 4570. 



Type locality. — Mazatlan, Sinaloa. 



Range. — Central Sinaloa south to Naj'-arit (known from Nayarit 

 and Sinaloa; records of hiscutatus from Guadalajara, Jalisco^ may be 

 referable to paucimaculatus) . 



TRIMORPHODON TAU Cope 



Trimorphodon tau Cope, Proc. Amer. Philos. Soc, vol. 11, 1869, pp. 151-152. — 

 Taylor, Univ. Kans. Sci. Bull., vol. 26, 1939 (1940), pp. 474-477, fig. 8, 

 pi. 51.— Smith, Proc. U. S. Nat. Mus., vol. 91, 1941, pp. 166-167, map fig. 38. 



Type.—V.S.'^.M. No. 30338. 



Type locality. — Quiotepec, Oaxaca (originally stated "Tehuante- 

 pec," by error). 



Range. — Central Guerrero, in the Sierra Madre del Sur; central 

 Oaxaca; and the edge of the plateau in central Michoacan (known 

 only from the type locality and San Felipe, Oaxaca; near Chilpan- 

 cingo, Guerrero; between Morelia and Hidalgo, Miclioacdn; and pos- 

 sibly "Jalisco" [Mocquard, Bull. Soc. Philom., ser. 9, vol. 1, 1899, 

 p. 157]). 



TRIMORPHODON UPSILON Cope 



Trimorphodon npsilon Cope, Proc. Amer. Philos. Soc, vol. 11, 1869, pp. 151-152. — 

 Taylor, Univ. Kans. Sci. Bull., vol. 25, 1938 (1939), pp. 365-366, pL 

 35, fig. 2.— Smith, Proc. U. S. Nat. Mus., vol. 91, 1941, pp. 102-163, map fig. 33. 



Type.~V. S.^.M. No. 31358. 



Type locality. — Guadalajara, Jalisco. 



Range. — Southern Chihuahua south to central Michoacan, east to 

 central Hidalgo (known from the states of Chihuahua, Durango, 

 Guanajuato, Hidalgo, Jalisco, Michoacan, Nayarit, and Zacatecas). 



