CHECKLIST OF THE SNAKES OF MEXICO 95 



MASTICOPHIS FLAGELLUM LINEATULUS Smith 



Masticophis flaocUnm lineatulus Smith, Journ. Washington Acad. Sci., vol. 31, 

 1941, pp. 394-397. 



Type.—V.S.'^M. No. 105292. 



Type locality. — Eleven miles south of San Buenaventura, Chihua- 

 hua. 



Range. — Extreme southern New Mexico southward to northern 

 Durango and southern Coahuila (recorded from the Mexican states 

 of Chihuahua, Coahuila, Durango, San Luis Potosi, and Guanajuato; 

 literature records from Queretaro and Michoacan are probably, but 

 not certainly, referable to this race). 



MASTICOPHIS FLAGELLUM LINEATUS (Boconrt) ** 



Bascanion llnealus Bocoxjkt, IMission scientifiqiie au Mexique et dans I'Am^rique 



centrale, Kept., livr. 12, 1S90, pp. 700-701, pi. 48, fig. 1. 

 Masticophis Uneatus Ortenbuegfb, Occ. Pap. Mus. Zool. Univ. Michigan, No. 139, 



1923. p. 2; Mem. Univ. Michigan Mus. Zool., vol. 1, 192S, pp. 134-138, pi. 2;"). 

 Coluber striolatus Mektens, Zoologica (Stuttgart), vol. 32, 1934, p. 190 (substitute 



name for Coluber Uneatus [Bocourt], a secondary homonym of Coluber 



Uneatus Linnaeus [=Lygophis Uneatus]). 



Type. — Mus. Hist. Nat. Paris. 



Type locality. — Mexico. 



Range. — Southern Sonora southward at low elevations into Guer- 

 rero and in the Balsas Basin probably to Oaxaca and Puebla (recorded 

 from the states of Colima, Guerrero, Jalisco, Michoacan, Morelos, 

 Nayarit, Sonora, and Sinaloa). 



MASTICOPHIS FLAGELLUM PICEUS (Cope) 



Bascanium piceum Cope, PrQC. U. S. Nat. Mus., vol. 14, 1892, p. 625. 



Masticophis flagellum picens Tanner, Copeia, No. 163, 1927, p. 57. — Smith, Journ. 

 Washington Acad. Sci., vol. 31, 1941, pp. 397-398. 



Masticophis piccus Ortenburgek, Mem. Univ. Michigan Mus. Zool., vol. 1, 1928, pp. 

 125-134, fig. 26, pis. 22-24. 



Coluber flagellum piccus Klauber, Copeia, 1942, pp. 88-97. 



Bascanion flagellum frenatum Stkjnegkk, North Amer. Fauna, No. 7, 1893, pp. 

 208-209 (type locality. Mountain Spring, Colorado Desert, San Diego County, 

 Calif.; type, U.S.N.M. No. 16340) (a secondary homonym of Hcrpetodnjas 

 frenatus Gray [=Elaphe frenatus (Gray)], placed in Coluber by Boulenger 

 [Fauna of British India, Rept., 1890, p. 335], in v?hich genus frenatum 

 Ste.ineger was placed by Grinnell and Camp [Univ. California Publ. Zool., vol. 

 17, 1917, p. 190] and by numerous other subsequent authors). 



Masticophis flagellum frenatus Ortenburgek, Mem. Univ. Michigan Mus. Zool., 

 vol. 1, 1928, pp. 112-125. figs. 23-25, pis. 20-21. 



Zamenis lateralis fuliginosus Cope, Amer. Nat., vol. 29, 1895, p. 679 (type locality, 

 Santa Margarita Island, Baja California; type, U.S.N.M. Nos. 15135-15136. 

 two jco types). 



*^ Masticophis flagellum stirolatus (Mertens) to those who suppress secondary homonyms. 



