Description
Head small; snout a little longer than the diameter of the orbit; nostril lateral, directed outwards ; tympanum scaly. Upper head-scales unequal, strongly keeled; a compressed prominent scale on the posterior part of the superciliary region; 7 to 11 upper labials. The male's gular appendage very large, always much longer than the bead, and frequently twice as long ; female also with a well-developed but smaller gular sac. Male with a very small nuchal crest. Dorsal scales but little larger than the ventrals, irregular, smooth or very feebly keeled; on each side of the back a series of large trihedral keeled distant scales. The fore limb stretched forwards reaches beyond the tip of the snout; the adpressed hind limb reaches a little beyond the elbow of the adpressed fore limb, or to the axilla. Greyish above, with more or less distinct darker markings; a more or less distinct darker mterorbital spot; wing-membranes above with numerous small round black spots, which are seldom confluent, beneath immaculate or with a few black epots; a blue spot on each side of the base of the gular appendage.
From snout to vent 3.25 inches ; tail 4.5.
Three races are noted
- divergens: Nw Thailand; Terra typica: Chiang Mai, N Siam; restricted to Doi Suthep Mountain by TAYLOR 1963.
- haasei: E Thailand, Cambodia, S Vietnam; Terra typica: Chantaboon, Siam.
- whiteheadi: N Vietnam, Hainan; Terra typica: Five-finger Mountains, interior of Hainan.
Read more about this topic: Draco Maculatus
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