CATALOGUE 
OF 
SN AK Eis: 
Fam. 7. COLUBRIDZ. 
Subfam. 2. COLUBRINA. 
(Continued.) 
Synopsis of the Genera. 
(Continued from Vol. I. p. 180.) 
ET. Ea eae absent in the posterior dorsal vertebra, the ites 
surface of which is smooth or with a low keel. 
A. Posterior maxillary teeth increasing in size; anterior maxil- 
lary and mandibular teeth strongly enlarged ; pupil vertically 
elliptic. 
Anterior maxillary teeth separated from the rest by an interspace. 
48. Lycodon, I. p. 348. 
Two or three middle maxillary teeth small, separated from the 
anterior and posterior by distinct interspaces. 
49. Dinodon, I. p. 360. 
B. Anterior maxillary teeth not enlarged, middle and posterior 
longest ; pupil vertically elliptic. 
50. Stegonotus, I. p. 364. 
C. Anterior and middle maxillary teeth not enlarged, posterior 
increasing in size or the last strongly enlarged. 
1. Palatine and pterygoid bones toothed; pupil vertically 
elliptic. 
Maxillary teeth 8 to 10; scales with apical pits. 
51. Dryocalamus, I. p. 369. 
VOL. II. B 
