62 PROCEEDINGS OF THE ACADEMY OF [Jan., 



Zamenis taeniatus Hallow ell. 



Proc. Acad. Phila., 1852, 181. 



This species is characterized by the presence of 15 rows of 

 scales, 8 upper labials, and longitudinal stripes on the sides; 

 frontal about half the width of supraoculars posteriorly ; tail very 

 long; ventrals 188-210; subcaudals 120-157. The young are 

 striped. 



Hab. — Western Texas to California. 



Pale brown; often wide cross-bands; two pale lateral stripes, 



1. Z. t. ornatus. 



Dark brown; no cross-bands; 3 or 4 narrow dark lateral stripes, 



2. Z. t. tceniatus. 



Zamenis taeniatus ornatus B. and G. 



Mastkophis ornatus B. and G., I. c, 102. 159 ; Baseanium tmniatum 

 subs, ornatum Cope, Ball. U. S. Nat. IMus., I, 40 ; B. ornatum Cope, 

 I. c, 629; Zamenis tceniatus (part) Boul., I. c, I, 390; Z. ornatus 

 Cope, liep. Nat. Mus., 813. 



Scales usually in 15 rows (No. 5,362 Academy coll., from 

 Arizona, has 17); ventrals 200-206; subcaudals 130-152. 



Length about 1,700 mm. (tail 565). 



Pale brown above, with more or less distinct wide cross-bands of 

 purplish brown on the back; the whole upper surface is sometimes 

 suffused with the darker color, in which case the cross-bands are 

 obscure or absent; a yellowish longitudinal line on the outer row 

 and the edge of the ventrals, and another on the third and fourth 

 rows; the upper one is edged with black and sometimes there is a 

 faint dark line through the middle of it; belly yellow, more or less 

 blotched. 



Hab. —Western Texas. 



Zamenis tseniatus taeniatus Hallowell. 



Leptophis tceniatus Hall., Proc. Acad. Phila., 1852, 181 ; Masticopliis 

 tceniatus and 31. Schotti B. and G., I. c, 103, 160 ; B. tceniatum and 

 B. Schotti Cope, I. c, 629; Zamenis tceniatus (part) Boul., I. c, I, 

 390 ; B. tceniatus Van Den., I. c., 190 ; Z. schottii and Z. tceniatus 

 Cope, Rep. Nat. Mus., 811, 815. 



Snout and muzzle rather long and narrow; body slender and tail 

 very long; scales in 15 rows (very rarely 17); upper labials 8; 

 temporals 2-2; ventrals 188-209; subcaudals 120-157. 



Length about 1,300 mm. (tail 370). 



Yellowish brown to dark brown, the outer four or five rows 

 lighter, each having a narrow black line running on the centre, and 



