32 SYNOPSES AND DESCRIPTIONS. 



lar. Prefrontals in contact with labials. Supraoculars elongate, straight. 

 Occipitals large. Nostril in posterior border of anterior portion of nasal. 

 No loreal. One anteorbital. Postorbitals two. Temporals 1+2. Labials 

 5, third and fourth in contact with orbitals and eye. Infralabials 5 

 (6). Submentals two pairs. Scales keeled, truncated, in 15 rows, outer 

 larger and smooth. Anal entire. 



Light brown. A yellow band two scales in width along the vertebral 

 rows, bordered on each side by a reddish-brown band of equal width, 

 below which passes a narrow black line, ending in a black spot behind 

 the eye. Posterior margins of outer row marked with black. Top of 

 head reddish-brown. Lips and flanks yellow. Guadalaxara, Mexico. 

 (From descr.) 



Storeria lineata, pi. T, fig. 4. 



Microps lineatds Hallowell, 1856, Proc. Ac. N. iSs., Phil, p. 241. 



Small. Stout, subcylindrical, belly broad, rounded; head indistinct, 

 small, slightly convex on the crown; tail short, thick. Eye small, over 

 third and fourth labials, pupil round. Mouth-cleft deep, curving near the 

 angle. Snout narrow, rounded. Head-shields nine. Prefrontals reaching 

 down on the side of the face. Rostral small, low, a little broader than 

 high. Nasal grooved below the nostril. Loreal elongate, low. Orbitals 

 1+2. Temporals 1+1+2. Labials seven, sixth wedged between the fifth 

 and seventh, not reaching the lip. Infralabials six, fourth largest. Sub- 

 mentals two pairs, posterior half as large as the anterior. Scales keeled, 

 in 17 rows, median narrow, notched, outer two broad, smooth, or faintly 

 keeled. Ventrals 138—145. Anal entire. Subcaudals 32 — 35 pairs. 



Light greyish-brown. A light line from the occiput to the end of the 

 tail on the medial three rows of scales. The base of each scale in the row 

 next to this is black, forming two lines of dots. A white line occupies half 

 of each of the second and third outer rows. Bases of the scales black in 

 the first, second, fourth, and sometimes fifth rows. Under the epiderm the 

 appearance is much darker. Belly yellowish white ; on each side of the 

 middle a series of black spots on the bases of the ventrals, more or less 

 confluent across the belly, and meeting on the neck. Head mottled with 

 black. Kansas to Texas. 



