. Breviora. 1961 MIOCENE LIZARDS FROM COLOMBIA 20 millimeters. The greatest width from the centers of iliosacral articulation is 45 millimeters. The first caudal vertebra has a perfectly hemispherical cup and ball, and a prominent zygo- sphene-zygantnim articulation. It is 16 millimeters long from center of cup to tip of ball. Discussion. The distinctive specialization of the teeth of Dracaena has long been known. Owen (1845; figured a speci- men, and Peyer (1929) discussed the form and function of the teeth. Amaral (1950) has described another Recent species, D. Paraguayensis, but I have not
. Breviora. 1961 MIOCENE LIZARDS FROM COLOMBIA 20 millimeters. The greatest width from the centers of iliosacral articulation is 45 millimeters. The first caudal vertebra has a perfectly hemispherical cup and ball, and a prominent zygo- sphene-zygantnim articulation. It is 16 millimeters long from center of cup to tip of ball. Discussion. The distinctive specialization of the teeth of Dracaena has long been known. Owen (1845; figured a speci- men, and Peyer (1929) discussed the form and function of the teeth. Amaral (1950) has described another Recent species, D. Paraguayensis, but I have not seen a specimen. [O o°ooooO. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University
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