Source : Webster's Revised Unabridged Dictionary (1913)

Ophidia \O*phid"i*a\, n. pl. [NL., fr. Gr. ?, dim. of 'o`fis a
   snake.] (Zo["o]l.)
   The order of reptiles which includes the serpents.

   Note: The most important divisions are: the {Solenoglypha},
         having erectile perforated fangs, as the rattlesnake;
         the {Proteroglypha}, or elapine serpents, having
         permanently erect fang, as the cobra; the {Asinea}, or
         colubrine serpents, which are destitute of fangs; and
         the {Opoterodonta}, or {Epanodonta}, blindworms, in
         which the mouth is not dilatable.

Proteroglypha \Pro`te*rog"ly*pha\, n. pl. [NL., fr. Gr. ? before
   + ? to carve.] (Zo["o]l.)
   A suborder of serpents including those that have permanently
   erect grooved poison fangs, with ordinary teeth behind them
   in the jaws. It includes the cobras, the asps, and the sea
   snakes. Called also {Proteroglyphia}.