106 STEJNEGER AND BARBOUR, 1923 



Natrix (GENUS) 



Laurenti, Syn. Kept., 1768, p. 73 

 type: vulgaris = natrix 



Natrix clarkii (Baird and Girard) 

 Regi?ia clarkii Baird and Girard 



Cat. N. Amer. Rept., Pt. 1, 1853, p. 48. 

 Natrix clarkii Cope 



Proc. U. S. Nat. Mus., Vol. 14, 1892, p. 669. 

 Natrix clarkii Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 987, fig. 261. 



TYPE locality: Indianola, Texas. 



RANGE : Coastal regions of northwest Florida to Texas. 



Natrix compressicauda (Kennicott) 

 SALT-WATER MOCCASIN 



Nerodia compressicauda Kennicott 



Proc. Ac. Nat. Sci. Phila., 1860, p. 335. 

 Natrix compressicauda Cope 



Proc. U. S. Nat. Mus., Vol. 11, 1889, p. 392. 

 Natrix compressicauda Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 978, fig. 255. 



TYPE locality: Tampa Bay, Florida. 



range: Southwestern Florida, especially the mangrove swamps 

 of the extreme southern coast and the Keys. 



Natrix cyclopion (Dumeril and Bibron) 



Tropidonotus cyclopion Dumeril and Bibron 



Erp. Gen., Vol. 7, 1854, p. 576. 

 Natrix cyclopium Cope 



Proc. U. S. Nat. Mus., Vol. 14, 1892, p. 673. 

 Natrix cyclopium Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 961, figs. 247, 248. 



TYPE locality: New Orleans. 



range: Florida to Louisiana and northward up the Mississippi 

 Valley to southern Illinois. 



Natrix grahamii (Baird and Girard) 



Regina grahamii Baird and Girard 



Cat. N. Amer. Rept., Pt. 1, 1853, p. 47. 

 Natrix grahamii Cope 



Proc. U. S. Nat. Mus., Vol. 14, 1892, p. 668. 

 Natrix grahamii Cope 



Ann. Rep. U. S. Nat. Mus., 1898 (1900), p. 991, fig. 264. 



