CHECKLIST OF THE SNAKES OF MEXICO 167 



THAMNOPHIS SCALARIS SCALARIS Cope 



Thaninophis scalaris Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 12, 1860 (1861), 



p. 369. 

 Thamnophis scalaris scalaris Smith, Zoologica, vol. 27, 1942, pp. 100-101. 



Type. — Lost. 



Type locality. — Jalapa, Veracruz. 



Range. — Mountains of central Veracruz, northeastern Puebla, 

 Hidalgo, extreme southern Mexico, Morelos. 



THAMNOPHIS SCALARIS GODMANI (GUnther) 



Tropidonotns godmani Gunthbs, Biologia Centrali-Americana, Rept., 1894, p. 133. 

 Thamnophis scalaris godmani Smith, Zoologica, vol. 27, 1942, pp. 101-103. 



Type. — Brit. Mus. Nat. Hist, (several cotypes) and Mus. Comp. 

 Zool. No. 28466 (a cotype). 



Type locality. — Omilteme, Guerrero. 



Range. — Mountains of south-central Veracruz southward through 

 central Oaxaca and westward along the Sierra Madre del Sur, central 

 Guerrero (recorded from the states of Guerrero, Oaxaca, Puebla, and 

 Veracruz). 



THAMNOPHIS SCALARIS SCALIGER (Jan) 



Tropidonotns scaUger Jan, Elenco sistematico degli Ofidi, 1863, p. 70 ; Arch. Zool. 



Anat. Fis., vol. 3, 1865, p. 214. 

 ThamnopJiis scalaris scaliger Smith, Zoologica, vol. 27, 1942, pp. 103-104. 

 Eutaenia scalaris Duces, La Naturaleza, ser. 2, vol. 1, 1888, pp. 129-130, pi. 13, 



fig. 17. — BocouRT, Mission scientifique au Mexique et dans I'Anierique cen- 



trale, Rept., livr. 13, 1893, pp. 768-770, pl. 56, fig. 6. 



Type. — Milan Mus. 



Type locality. — Unknown. 



Range. — Mountains of central Mexico from northwestern Puebla 

 westward to central Michoacan, northward to Guanajuato (known 

 from Distrito Federal and the states of Guanajuato, Jalisco, Mexico, 

 Michoacan, Puebla, San Luis Potosi,^^ and Tlaxcala). 



THAMNOPHIS SIRTALIS PARIETALIS (Say) 



Coluber parietalis Say, Long's Expedition to the Rocky Mountains, vol. 1, 1823, 



p. 186. 

 Thamnophis sirtalis parietalis Jordan, Manual of the vertebrate animals, ed. 8, 



1899, p. 193.— Ditmars, Reptiles of North America, 1936, p. 153, pl. 44. 



Type. — ^Lost. 



Type locality. — Stone quarry on west side of Missouri River, 3 miles 

 above the mouth of Boyers River. 



Range. — ^lowa, Minnesota, and Missouri westward to Utah, eastern 

 Nevada, southern Idaho, southern Alberta and Manitoba ; southward 

 through central New Mexico to northern Chihuahua (known definitely 



"The record for this locality (Dug&s) is possibly referable to s. scalaris. 



