• WordNet 3.6
    • n Diadophis a genus of reptiles of the family Colubridae including ringneck snakes
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Century Dictionary and Cyclopedia
    • n diadophis A genus of Colubridæ, having the head distinct, the body slender with smooth scales, the postabdominal scutella bifid, the subcaudals all divided, the cephalic plates normal, with a well-developed loral, 2 postorbitals, 2 anteorbitals, and 2 nasals, between which latter is the nostril. The best-known species is D. punctatus, the ring-necked snake, found in many parts of the United States, a very common and pretty snake, quite harmless, of small size, and dark-green color above and yellowish below, with a yellowish ring round the neck. There are several others.
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