847 
Maxillary teeth biserial, inner row of which may be 
incomplete, 
Mandibular teeth biserial, 
k^. Head and trunk 2 in tail, 
1^. Vomerine teeth triserial, on 
middle of bone sometimes 
quadriserial; head nearly 5 
to vent, 
2 
1 • Vomerine teeth biserial, 
ra-. Head 6 4/5 to vent, 
rutidoderma. 
k 
3 
k 
4 
m'^. Head 5 to 5 1/2 to vent. 
Head and trunk 1 1/2 in tail. 
Head 3 to vent; pectoral 
n' 
2 1 / 2 . 
dicellurus. 
2 
n , 
n». 
Head 3 1/2 to vent; pect- 
i 
oral 4 1/2, unicolor. 
Head 7 to vent; pectoral 
5. 
raarginatus 
Head and trunk 1 1/3 in tail; 
head 3 1/3 to 3 3/4 to vent, 
celebicus, 
Head and trunk 1 1/4 in tail; 
head 4 to vent 
elapsoides 
