266 Illinois State Lahonitorij of Xntural History. 



Eutainia, radix, Bd. and Gir. 



Kiit((ii,i(i nx/i.r, IJd. and Gir., Cat. N. A. Kept., Pt.l., 1853, p. 34. 



— Kenn., Trans. 111. State Agr. fSoc, 1853-54, I., p. 592. 

 Kiiid Ilia radix, Davis and Rice, Bull. 111. State Lab. Nat. Hist., 



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



Head rather small, wider than the neck. Tail moderately 

 long, tapering. Dorsal scales all carinate. Frontal hexagonal 

 or pentagonal. Two nasals. One large anteorbital. Three 

 postorbitals. Seven snpralabials; fifth and sixth largest. Nine 

 or ten infralabials: fifth and sixth largest. Dorsal rows twenty- 

 one; sometimes twenty or nineteen. Ventrals 150-160. Anal 

 entire. Subcaudals about 65-75. 



Color above brown, with three longitudinal yellow stripes 

 and six longitudinal series of black spots; the black color often 

 predominating. Dorsal stripe on one and two half rows of 

 scales, becoming decidedly orange towards the head. Lateral 

 stripes on the third and fourth rows of each side. There are 

 two series of the black spots on each side between the dorsal 

 and lateral stripes, and a single row of spots below the lateral 

 stripe. Beneath greenish, with two series of black spots, one 

 on each side near the edges of the ventral scutes. Head plain 

 brown above, with a pair of small yellow spots at the inner 

 margins of the parietals. Iris brassy immediately about pupil, 

 but extensively black before and behind. Posterior margin of 

 all the snpralabials marked with black. Infralabials and under 

 side of the head yellowish. 



Length, 12; "tail, 6. 



Occurs in all parts of the State, but is more common north. 

 Cook county (Kennicott), Freeport, Milan, Colona, Galesburg, 

 Normal, Mt. Carmel (Ridgway). 



Eutainia sirtalis, Linn. Garter Snake. 



Var. sirtalis. 



Citluhir sirtalis, Linn., Syst. Nat., ed. 10, 1758, p. 222. 

 Tropidonotus sirtalis, Ilolbr.. N. A. Herp., 1842, IV., p. 41, pi. 11. 

 Evtaiiila sirtalis. Bd. and Gir., Cat. N. A. Kept., Pt. 1. 1853, p. 30.— 



Kenn., Trans. 111. State Agr. Soc, 1853-54, 1., p. 592. 

 I'rti/a'diniotas sirt(f7is, subsp. sirtalis. otisca ra, and dorsal is, Davis 



and Rice, Bull. 111. State Lab. Nat. Hist.. I, No. 5, 1883, 



pp. 39, 40; Bull. Chicago Acad. Sci., 1883. 



