176 U.S. NATIONAL MUSEUM BULLETIN 220 



Drymarchon corais unicolor Smith 



Journ. Washington Acad. Sci., vol. 31, p. 470, 1941. 



Holotype: 110865, 5, La Esperanza, Chiapas, Mexico, H. M. Smith, 

 May 18, 1940. 



Paratypes (6) : 6757a-b, Guatemala, H. Hague. 12687, Escuintla, 

 Guatemala, H. J. Stuart, June 1882. 30424, 5 , Tehuantepec, Oaxaca, 

 Mexico, F. Sumichrast. 46464, Huehuetan, Chiapas, Mexico, E. W. Nelson 

 and E. A. Goldman, Feb. 26, 1896. 79960, Managua, Nicaragua, H. C. 

 Kellers. 



Drymobius aurigulus Cope 



Proc. Acad. Nat. Sci. Philadelphia, vol. 13, p. 301, 1861. 

 =Masticophis aurigulus (Cope) 

 Holotype: 5793, Cape San Lucas, Baja California, Mexico, J. Xantus. 



Drymobius margaritiferus fistulosus Smith 



Proc. U.S. Nat. Mus., vol. 92, p. 383, 1942. 



Holotype: 51480, $ , Miramar, Nayarit, Mexico, J. C. Thompson, 1913. 



Paratypes (7) : 30484, Tehuantepec, Oaxaca, Mexico, F. Sumichrast. 

 31480-3, Colima, Mexico, J. Xantus. 56163, Colima, Mexico, J. Hurter, 

 Aug. 5, 1902. 46545, Puente de Ixtla, Morelos, Mexico, E. W, Nelson and 

 E. A. Goldman, June 6, 1903, 



Dryophis brevirostris Cope 



Proc. Acad. Nat. Sci. Philadelphia, vol. 12 (1860), p. 555, 1861. 

 =Oxyhelis brevirostris (Cope) 

 Holotype: 31349, Veraguas, Panama, R. W. Mitchell. 



Elaphe flavirufa matudai Smith 



Copeia, No. 1, p. 132, 1941. 

 Holotype: 110303, $ , Salto de Agua, Mount Ovando, Chiapas, Mexico, 

 1,200 ft., H. M. Smith, May 19, 1940. 



Elaphe flavirufa phaescens Dowling 



Occ. Pap. Mus. Zool. Univ. Michigan, No. 540, p. 7, fig. 2, 1952. 



=Elaphe triaspis phaescens Dowling 



Paratype: 46578, Chichen-Itza, Yucatan, Mexico, E. W. Nelson and E. A. 

 Goldman, February 1901. 



Elaphe perlacea Stejneger 



Proc. Biol. Soc. Washington, vol. 42, p. 129, 1929. 

 Holotype: 76257, $, Yachow, Szechwan, China, D. C. Graham, June 

 1928. 



