98 BULLETIN 18 7, UNITED STATES NATIONAL MUSEUM 



choacdn; and San Luis Potosi; intergrades at the periphery of its range 

 in the south and east with t. ruthveni) . 



MASTICOPHIS TAENIATUS ORNATUS Baird and Girard ^» 



Masticophis ornatus Baibd and Gibaed, Catalogue of North American reptiles, 



1853, pp. 102-103. 

 Masticophis taeniatus ornatus Schmidt and Smith, Publ. Field Mus. Nat. Hist, 



zool. ser., vol. 29, 1944, p. 90. 

 Coluber taeniatus girurdi Stejnegee. and Baubotjr, A check list of North American 



amphibians and reptiles, 1917, p. 80 [a substitute name for Coluber taeniatus 



ornatus (Baird and Girard), nee Coluber ornatus Shaw, l%Qi2—Droimicus 



cursor (Lacepede)]. 

 Masticophis taeniatus girardi Oetenbukgeb, Occ. Pap. Mus. Zool. Univ. Michigan, 



No. 139, 1923, p. 2-; Mem. Univ. Michigan Mus., vol. 1, 1928, pp. 35-41, map 



fig. 4, table 1, pi. 4. — Gloyd and Conant, Occ. Pap. Mus. Zool. Univ. Michigan, 



No. 287, 1934, p. 15, pi. 1. 



Type. — U.S.N.M. No. 1971, originally two cotypes. 



Type locality. — Between Indianola and El Paso, Tex. 



Bange. — Central Zacatecas northward through extreme eastern Chi- 

 huahua and central Coahuila to western Texas (known from the states 

 of Chihuahua, Coahuila, Durango, and Zacatecas). 



MASTICOPHIS TAENIATUS RUTHVENI Ortenburger 



Masticophis ruthveni Oetendurgeb, Occ. Pap. Mus. Zool. Univ. Michigan, No. 139, 



1923, pp. 3-8 (part), pis. 1-3. 

 Masticophis taeniatus rutlweni Gloyd and Conant, Occ. Pap. Mus. Zool. Univ. 



Michigan, No. 287, 1934, p. 16.— Smith, Journ. Washington Acad. Sci., vol. 31, 



1941, pp. 392-393. 



Type.— Univ. Mich. Mus. Zool. No. 57681. 



Type locality. — Brownsville, Tex. 



Range. — Extreme southern Texas to central eastern San Luis Potosi 

 (recorded from the states of Nuevo Leon, San Luis Potosi, and 

 Tamaulipas ; specimens from Alvarez, San Luis Potosi^ are intergrades 

 with t. australis). 



MASTICOPHIS TAENIATUS SCHOTTI Baird and Girard 



Masticophis schotti Baibd and Girard, Catalogue of North American reptiles, 



1853, pp. 160-161. 

 Masticophis taeniatus schotti Gloyd and Conant, Occ. Pap. Mus. Zool. Univ. 



Michigan, No. 287, 1934, pp. 5-14, pis. 2-3, map. 



Type.—U.S.l:i.M. No. 1972. 



Type locality. — Eagle Pass, Tex. 



Range. — "Mesquite and Desert Grass Savanna area of the higher 

 portion of the Gulf Coastal Plain of southern Texas, from the southern 

 edge of the Edwards Plateau in the north (Hays and Bexar west 



♦" Masticophis taeniatus girardi (Stejneger and Barbour) to those who suppress secondary 

 homonyms. 



