334 COLUBRID, 
C. Scales in 15 rows. 
1, Frontal once and three fourths as long as broad; ventrals 
160; subcaudals 25 ...., ..+ 13. punetata, p. 341, 
2. Frontal not more than once and a half as long as broad. 
a. Eye at least as long as its distance from the mouth, 
a. Nasal in contact with the preocular. 
Ventrals 140-170 ; subcaudals 22-33 .. 14. gouldii, p. 342. 
Ventrals 170-200 ; subcaudals 30-46 .. 15. nigrescens, p. 343. 
Ventrals 180-184; subcaudals 50-64 .. 16. nigrostriata, p. 343. 
3. Second labial in contact with the prefrontal ; ventrals 
166-183 ; subcaudals 31-43. 
17. carpentaria, p. 344, 
b. Eye hardly as long as its distance from the mouth; 
ventrals 170-178 ; subcaudals 37-38. 
18. pallidiceps, p. 344, 
IV. Anal divided ; frontal much broader than the supraocular, as 
long as broad or a little longer than broad ; ventrals 164-172 ; 
subcaudals 38-49. 
Scales in 15 or 17 rows; subcaudals 
a eee ca Oe 19. melanura, p. 345. 
Scales in 16 rows; subcaudals single.... 20. par, p. 345, 
Scales in 17 rows; subcaudals paired .. 21. woodfordii, p, 346, 
TABLE sHOWING NumBERS oF ScAaLEs AND SHIELDS, 
Se. v. A. C Lab. 
BOOS | cavsresicyestes 15 (17) 145-160 1 41-50 6 
COTONALG ..cccccccsecees 15 138-151 1 38-51 6 
COTONOIMES oo .ceceeeeee ee |) 136-151 1 42-57 6 
MUELEri ......ceceeeees 17 118 1 38 6 
Srenata.  vecrececsesseee 19 167 l 35 6 
TAMBAYL oe ccereesseeees 15 164 ‘2 51 6 
BIQNALA serisssereseees 17 153-170 2 41-56 6 
d@mMelii ..ccecsccsecee: 17 147-168 2 83-45 6 
SF adi ditersinetnvesdh an 19 157-164 1 25-30 6 
PONCEIEE eis sescenneneve 19 154 1 30 6 
flagellum ...ceccesereee 17 132-138 1 25-27 6 
We cvdtcesssonss 17 121-136 1 20-30 6 
PUNCLALD ooseessesseess: 15 160 1 25 6 
GOUME — esreceerseeee 15 140-170 1 22-33 6 
NAGTESCENS ss eeseeeeee 15 170-200 1 30-46 6 
MAGVOSETIALA.. 662000000: 15 180-184 l 50-64 6 
CATPENLATIA...000000+: 15 166-183 1 31-43 6 
pallidiceps spebtashesie 15 170-178 1 87-38 6 
MELANUTA....00c0re0e00 15-17 165-171 2 38-48 7 
F cena vat rena vaelnahe? 16 164-166 2 40-49 7 
woodfordii ... cscs 17 166-172 2 41-45 7 
