. Ecuadorian lizards of the genus Stenocercus (Squamata: Tropiduridae) . Table 5. Sexual variation in scutellation and measurements of Stenocer- cus guentheri. Range (first line), x ± SD (second line) and n (third line) are given. Character Females Males Fig. 10. Dorsal and lateral views of the heads of two species of Stenocercus. A and C S. guentheri, QCAZ 775, male. B and D S. haenschi, holotype, ZMB 16595, male. Scale bars = 5 mm. lar black transverse lines on dorsal surface of hind limbs; iridescent pale green gular region; ventral surfaces of body and limbs also pale green, but less iride


. Ecuadorian lizards of the genus Stenocercus (Squamata: Tropiduridae) . Table 5. Sexual variation in scutellation and measurements of Stenocer- cus guentheri. Range (first line), x ± SD (second line) and n (third line) are given. Character Females Males Fig. 10. Dorsal and lateral views of the heads of two species of Stenocercus. A and C S. guentheri, QCAZ 775, male. B and D S. haenschi, holotype, ZMB 16595, male. Scale bars = 5 mm. lar black transverse lines on dorsal surface of hind limbs; iridescent pale green gular region; ventral surfaces of body and limbs also pale green, but less iridescent; ventral sur- faces of thighs and anal region pale yellow; ventral sur- face of tail pale yellow proximally and dark yellow dis- taUy. Another adiilt male (QCAZ 4108) from Lloa, Provincia Pichincha, differs noticeably from the former in the fol- lowing characters: dorsum of head dark brown; dorsum of body, limbs and tail dark greenish brown; several small yellow transverse marks on vertebral line and small yel- low dots on flanks and dorsal surface of limbs; one dorso- lateral black stripe on each side extending from the supe- rior edge of tympanum to the base of tail; gular region dark brown, with several yeUowish-brown flecks; throat black with small yellow flecks; throat pale yellow with dark brown flecks; dark brown longitudinal midventral stripe extending from throat to point before the insertion of hind limbs; ventral surface of body on each side of midventral stripe bluish gray with several white irregular marks; ven- tral surface of forelimbs and tail dark brown with yellow marks, distal portion of tail with pink marks (Fig. 5C). An adult female (QCAZ 3659) from km N Tb<an, Provincia Chimborazo: dorsum dark oUve-green with scattered small black spots; short transverse black bars on vertebral line; region between flanks and venter intense yellow with sev- eral dark olive-green spots; pale yellow venter with small gray flecks in gular region. A female (QCAZ


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