Symbol;Description Measurements SVL;"Snout to vent length" F;"tail length" TL;"total length" E;"body length from gular fold to cloaca" D;"head-neck length from tip of snout to gular fold" 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" G;"facial length from center of nostril to anterior margin of orbit" H;"snout length from tip of snout to center of nostril" I;"temporal length from anterior margin of eye to anterior border of tympanic recess" "Proportion Indices" 1;"relative tail to body length - F/SVL" 2;"relative position of nostril to eye - G/H" 9;"relative position of nostril to tip of snout - [A-I]/G" 10;"relative head length to width - A/B" 11;"relative head length to height - A/C" "Scale Counts" S;"Midbody scale rows" XY;"dorsal scale rows from dorsal margin of tympanic recess to anterior margin of hind limbs" T;"transverse rows of mid-ventral scales from gular fold to anterior margin of hind limbs" X;"transverse 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 mid-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 the length from the base" DOR;"number of dorsal scalerows from the last occipital scale to a point dorsal to the posterior margin of the cloaca" VEN;"Number of mid-ventral scales from the gular fold to the anterior margin of the cloaca"