| Measurements |
|
|
| A |
Head length from snout to anterior dorsal margin of tympanum |
|
| B |
Head width at maximum span of postorbital arch |
|
| C |
Head depth at midpoint of orbit |
|
| D |
Head–neck length from tip of snout to gular fold |
|
| E |
Body length from gular fold to cloaca |
|
| F |
Tail length from cloaca to tip of tail |
|
| G |
Facial length from centre of nostril to anterior margin of orbit |
|
| H |
Snout length from tip of snout to centre of nostril |
|
| TL |
Total length |
|
| SVL |
Snout to vent length |
|
| Mensural ratios |
| 1 |
Relative tail to body length – F/ SVL |
|
| 10 |
Relative head length to head width – A/B |
|
| 11 |
Relative head length to head height – A/C |
|
| Scale counts |
|
|
| S |
Midbody scale rows |
|
| XY |
Dorsal scale rows from posterior margin of tympanic recess to anterior margin of hind limbs |
| T |
Rows of ventral scales from gular fold to anterior margin of hind |
limbs |
| X |
Rows of dorsal scales from posterior margin of tympanic recess to gular fold |
| m |
Scales around neck at anterior margin of gular fold |
|
| N |
Rows of ventral scales from tip of snout to gular fold |
|
| P |
Scales from rictus to rictus across dorsum of head |
|
| Q |
Scales around tail base |
|
| R |
Scales around tail counted at 1/3 of tail length from the base |
|
| DOR |
Number of dorsal scale rows from the last occipital scale to a point |
|
dorsal to the posterior margin of the cloaca |
|
| VEN |
Ventral scales from the gular fold to the anterior margin of the cloaca |