1031 
Analysis of species 
a x . Medial teeth on premaxillary long slender 
% 
depressible fangs. 
Head less than 12, teeth 
entire. 
c . Vomerine teeth present. 
1 
d . Hind nostrils without elevated 
rim 
, Maxillary teeth uniserial or with 
inner front row of 1 to 4 fang 
like teeth, absent with age. 
1 
f . Head, trunk and tail uniform 
brown. 
1 
g , Dorsal moderate, lower than 
height above vent; depth 12 
to 20. 
g . Dorsal high, above vent equ¬ 
als body height; depth 20 
to 26. 
hepatica 
f , Head, trunk and tail more or 
less distinctly marbled or 
reticulated; gill opening not 
in black blotch; no dark spot 
behind eye or at mouth cor¬ 
ner* no distinct white spot 
on Jaws. 
