190 COLUBRID®. 
3. Rostral a little broader than deep; a single anterior tem- 
poral; scales in 19 rows. 
Four lower labials in contact with the 
anterior chin-shields ; belly yellow .... 5. coronata, p. 196. 
Five lower labials in contact with the an- 
terior chin-shields; belly blackish .... 6. regularis, p. 196. 
B. Anal undivided. 
1. Upper portion of rostral broad ; normally seven upper labials. 
a. Scales in 19-25 rows; ventrals 198-240, not angulate 
laterally ; rostral once and a half as broad as deep. 
Eye moderate ; scales in 19-23 rows; dark 
brown or black above, with yellow or 
White Marines cnt. 6.3. 4 ites teehee a 7. getula, p. 197. 
Eye small; scales in 21-25 rows........ 8. calligaster, p. 198. 
b. Scales in 21-23 rows; ventrals 188-214; rostral twice 
as broad as deep. 
Portion of rostral visible from above mea- 
suring less than one fourth its distance 
EEOM DG ATOUNUAN, nace s,cees ss ete ee eae 9. leonis, p. 199. 
Portion of rostral visible from above mea- 
suring one third to one half its distance 
fog the ATOnGal <<< sie bh.veeie so % «eke 10. triangulum, p. 200. 
c. Scales in 19-25 rows, usually 21 or 23; ventrals angu- 
late laterally ; rostral once and a half as broad as deep. 
Ventrals 179-210; first black band on 
BRED GLOULY 50. <i. 2) 5 witevnys iato,acolg ahh sts 11. gentilis, p. 201. 
Ventrals 198-224 ; body compressed ; first 
black band on nape only ............ 12. zonata, p. 202. 
Ventrals 204-240; first black band form- 
ing a complete ring, extending across the 
HEDNOL I Ny aba aie Sk SARE RCN CIN ics cl ceonic, lets 13. micropholis, p. 203. 
d. Scales in 17-19 rows; ventrals 161-180. 
14. doliata, p. 205. 
2. Upper portion of rostral not broader than the anterior 
nasal; eight upper labials .... 15. brachyura, p. 206. 
II. Usually two preoculars ; anal divided; scales in 15-17 rows. 
Scales in 15 rows; ventrals 136-160 .... 16. punctata, p. 206. 
Scales in 15 rows ; ventrals 182-222 .... 17. amabilis, p. 207. 
Scales in 17 rows; ventrals 183-237 .... 18. regalis, p. 208. 
