A large venomous snake (Ophiophagus hannah) of southeast Asia and the Philippines that can grow to a length of 5.5 meters (18 feet).    From Wordnik.com.  [In "Maneaters of Kumaon" Jim Corbett mentioned killing a deadly snake he called a Hamadryad (spelling?) that was 13 ft long.] Reference

The eighteen recorded snake species include king cobra Ophiophagus hannah and spectacled cobra Naja naja, three vipers and six sea-snakes.    From Wordnik.com.  [Sundarbans, Bangladesh] Reference

The Ophiophagus, or hooded cobra, is one of the largest of venomous snakes, sometimes attaining a length of 15 feet; it is both powerful, active, and aggressive.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

The gharial, Gavialis gangeticus, and king cobra, Ophiophagus hannah, are two of India's most iconic reptiles, and they're endangered because of polluted waterways.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

The Ophiophagus seizes it anywhere, that is, at whichever part happens to come first, and then, after holding it quietly for a time, works his jaws up to the head in the usual hand-over-hand, or "jaw-after-jaw" fashion, invariably swallowing the snake head first.    From Wordnik.com.  [A Book of Natural History Young Folks' Library Volume XIV.] Reference