128 



COLUBRID.E. 



II. Tail 4| to 6 times in the total length ; eye rather large. 



Scales in 19 rows 11. tyjthlus, p. 136. 



Scales in 17 rows 12. epinephelvi, p. 137. 



III. Tail not more than 4 times in the total length ; eye large or 

 rather large ; eight or nine upper labials. 



A. Fourth and fifth upper lahials entering the eye. 



Ventrals 136-150 ; subcaudals 58-81 13. regina, p. 137. 



Yentrals 157-164 ; subcaudals 64-85 14. julice, p. 139. 



Ventrals 185-200 ; subcaudals 82-105 . . 15. cursor, p. 139. 



B. Third, fourth, and fifth (or fourth, fifth, and sixth) upper 



labials entering the eye. 



1. Eye not twice as long as its distance from the mouth. 



Veutrals 140-150; subcaudals 85-106 . . 16. andrerr, p. 140. 

 Ventrals 145-165; subcaudals 110-130 . . 17. parvifrons, p. 141. 



2. Eye twice as long as its distance from the mouth, [p. 142. 



18. melanostiyma, 



IV. Tail not 4 times in the total length ; eye moderate ; seven upper 

 labials, third and fourth entering the eye. 



Scales in 19 rows ; ventrals 131-134 .... 19. calUlcfmus, p. 142. 



Scales in 17 rows ; ventrals 167 20. tempomlis, p. 143. 



Scales in 17 rows ; ventrals 126 21. flavilatus, p. 143. 



TABLE SHOWING NUMBERS OF SCALES AND SHIELDS. 



