Recognition
The arched, elliptical carapace (to 23 cm) is widest behind the middle and unserrated posteriorly. The medial keel is prominent with a strong spinelike posterior projection on the 3rd vertebral. Vertebrals 2 and 5 are broader than long, while 1, 3, and 4 are longer than broad. Vertebral 3 is posteriorly pointed while the 4th is anteriorly pointed, making the seam between these two scutes very short. The carapace is brown, sometimes yellow or orange bordered, with a red to orange medial stripe. The plastron is long and narrow; the forelobe is much shorter than the broad bridge, and the hindlobe is slightly shorter than the bridge and contains a posterior anal notch. The humero-pectoral seam joins the plastral seam at an obtuse angle. The plastral formula is: abd > fem > an >< hum > pect >< gul. On the bridge, the inguinal and axillary scutes are nearly equal in length, or the inguinal is slightly larger. Plastron and bridge are yellow with at least two black elongated blotches on each scute, except the gulars and anals which have only a single blotch. The head is moderate in size with a projecting, short, pointed snout. Its upper jaw is not medially notched. Skin on the back of the head is divided into large scales. Dorsally, the head is black with a large crescent-shaped, orange to yellowish red blotch on each temple (these may unite posteriorly to form a V-shaped mark). The jaws are yellow, and the neck is black with numerous yellow stripes. Limbs are olive to gray, and spotted and bordered with yellow. They have large transverse scales. The karyotype is 2n = 52; 20 metacentric and submetacentric, 10 subtelocentric, and 22 acrocentric and telocentric chromosomes Males are brighter in color than females, and have long, thick tails with the vent beyond the carapacial rim. Females have short tails with the vent under the carapace. Females grow larger than males.
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Famous quotes containing the word recognition:
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“Justice begins with the recognition of the necessity of sharing. The oldest law is that which regulates it, and this is still the most important law today and, as such, has remained the basic concern of all movements which have at heart the community of human activities and of human existence in general.”
—Elias Canetti (b. 1905)
“In a cabinet of natural history, we become sensible of a certain occult recognition and sympathy in regard to the most unwieldy and eccentric forms of beast, fish, and insect.”
—Ralph Waldo Emerson (1803–1882)