S^ NORTH AMERICAN BATRACHIA AND REPTILJA. 



cal hexagonal, elongate; dorsal scales carinate, in IT rows; anal 

 divided; G. 120-130; eye large; head distinct from slender body; 

 unicolor above. 



15. H. striatida^ (Linn) B. and G. Above reddish-gray; 

 below salmon color; G. 125-130. Virginia to Texas; lUinois 

 (Eidgway). 



4. Genus Tantilla, B. and G. 



I^asals two; loral absent; anteorbital one; posterior one or 

 two; dorsal scales smooth; anal divided; eyes small; head con- 

 tinuous with body; unicolor. 



16. T. coronata^ B. and G. One anteorbital; two postor- 

 bitals; color above reddish-brown; head a deep chestnut-brown; 

 a black band across neck above, in front of which is a narrow 

 lighter space; dorsal rows 15; G. X-10-145. Georgia and Miss- 

 issippi. 



5. Genus Abastor, Gray. 



Kasal one, grooved beneath nostril; loral and postorbital 

 forming anterior part of orbit; postorbitals two; vertical elon- 

 gated; dorsal scales smooth; anal divided; eyes moderate; head 

 contiimous with body. 



IT. A. erythrograrninus^ (Daud.) Gray. Red-lined Snake. 

 Color above bluish-black, with three longitudinal lines of red 

 (yellow in alcoholic specimens); median line narrowest; beneath 

 flesh color, with two series of bluish-black blotches; dorsal rows 

 19; G. 1T5-185. ISTorth Carolina to Alabama; Illinois. 



6. Genus Farancia, Gray. 



Prefrontal one; nasal one; loral and postfrontal form anterior 

 part of orbit; postorbitals two; dorsal scales smootli; anal divided; 

 eye small; head slightly distinct from body. 



18. F. ahacura., (Holb.)B. and G. Red-billed Plorn Snake. 

 dolor above bluish-black, with sub-quadrate red spots on the 

 flanks; beneath red, barred and blotched with black; dorsal rows 

 19; G. 1T0-1T5. Austroriparian region. 



T. Genus CoNTiA, B. and G. 



Nasal one; loral present; anteorbital one; postorbitals two 

 or one; superciliaries small, narrow; width nearly uniform; ver- 

 tical broad; dorsal scales smooth ; anal divided; eye small; head 

 short, depressed. 



