264 Illinois State Laboratory of Natural History. 



slender, with more or less evident yellow or greenish longitu- 

 dinal stripes. Often ovoviparous. 



Lateral stripes on the third and fourth rows of dorsal scales. 

 Dorsal scales in 19 rows. The dark color of the back uni- 

 form. Body slender E. saurita. 



Dorsal scales in 21 rows, with more or less distinct black 

 spots between the stripes. Stouter than E. saurita. 



E. RADIX. 



Lateral stripes on the second and third rows of scales. 



Dorsal scales in 19 rows E. sirtalis. 



Dorsal scales in 21 rows E. vagrans. 



Eutainia saurita, Linn, (takter Snake, Riband Snake. 



Var. saurita. 



Co/vher .soiiritfi, Linn., Syst. Nat., ed. 12, 1766, 1., p. 385. 

 Entaiiiiu saurita, Ed. and Gir., Cat. N. A. Rept., Pt. I., 1853, p. 24. 

 KittaiUa saurita, Davis and Rice, Rail. 111. State Lab. Nat. Hist., 



I„ No. 5, 1883, p. 38; Bull. Chicago Acad. Sci., 1883. 

 Tro2>idoiiot>is saurita, iS. Garman, Mem. Mus. Comp. Zool., 1883, 



pp. 23, 137, pi. 3, fig. 2. 



Yar. faireyi. 



Kiitdiiiiii fdlrt^ui, Bd. and Gir., Cat. N. A. Rept., Pt. 1., 1853, p. 25. 

 Kitidida faireyi, Davis and Rice. Bull. 111. State Lab. Nat. Hist, 



1., No. 5, i883, p. 39; Bull. Chicago Acad. Sci., 1883. 

 Tropidonotn^ saurita, var. faireyi, S. Garman, Mem. Mus. 



Comp. Zool., 1883, p. 137. 



Var. proximus. 



Co/tiher jirnxi III US, S'dy, Long's Exped. to Rocky Mts., 1823, I., 



p. 187. 

 Kiitaiiiin jinuinid. Bd. and Gir.. Cat. N. A. Rept., Pt. I., 1853, p. 25. 

 E 111 till id pro.vimd, Davis and liice. Bull. 111. State Lab. Nat. 



Hist., I., No. 5. 1883, p. 39. 

 '/'r'i/)i(/onotiis sanritd, var, proxiniiis, S. (Jarinan, Mem. Mus. 



Comp. Zool., 1883, pp. 24, 137. 



Uody slender. Head distinctly marked off by tlie more 

 slender neck. Tail long, taperin"*-. All the dorsal scales cari- 

 nated. Frontal elongate, hexagonal, sides generally incurved. 

 One anteorbital. Three postorbitals. Seven or eight suprala- 

 bials; sixth and seventh largest. Ten infralabials; Hfth and 



