856 13. COLUBRID.E 



Eutienia rujopunclata Cope, Proc. U. S. Nat. Mus., Vol. XIV, 1892, 



p. 666; Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 1089; 



Brown, Proc. Acad. Nat. Sci. Phila., 1901, p. 31; Ditmars, Reptile 



Book, 1907, p. 240. 

 Thamnophis angustirostris Ruthven, Bull. U. S. Nat. Mus., No. 61, 



p. 120; Van Denburgh & Slevin, Proc. Cal. Acad. Sci., Ser. 4, 



Vol. Ill, p. 422; Stejneger & Barbour, Check List N. Amer. 



Amph. Rept., 1917, p. 100; Van Denburgh & Slevin, Proc. Cal. 



Acad. Sci., Ser. 4, Vol. VIII, 1918, p. 264. 



Description. — Head distinct from neck, flat-topped, with 

 very narrow, elongate, rounded snout. Eye of moderate 

 size. Rostral large, bounded behind by internasal, anterior 

 nasal, and first labial plates. Plates on top of head: a pair 

 of internasals, a pair of prefrontals, supraocular of each side, 

 a frontal, and a pair of parietals. Anterior and posterior 

 nasals distinct. One loreal. Two or rarely three preoculars 

 and three or four postoculars. Temporals normally one 

 followed by one, sometimes 1+2. Eight, or rarely seven 

 or nine, superior and 10, or nine, inferior labials, fifth or 

 sixth superior and sixth or seventh inferior usually largest, 

 fourth or fifth or fourth and fifth superior usually reaching 

 eye, first pair of inferior meeting on median line. Two 

 pairs of genials, posterior equal to or longer than anterior. 

 Scales on body in 21 or rarely 23 rows. Anal plate undivided. 

 Gastrosteges varying in number from 161 to 177, males 

 having from 165 to 177, females from 161 to 170. Uro- 

 steges in two series of from 69 to 87, males having from 80 

 to 87, females from 69 to 82 3 the anterior urosteges often 

 undivided. 



The color above is dark olive or brown with several rows 

 of dark brown spots. These spots are very distinct in young 

 specimens but become less evident with age. There usually 

 are no longitudinal light lines, but lateral lines may show 

 faintly on the second and third rows of scales and a trace 

 of the dorsal line may be present anteriorly. The head is 



