A cobra was a type of snake.
In ancient Egypt, Miral planned to use cobras to kill Pharaoh Amenhotep II, but accidentally killed Mentu instead. (PROSE: The Coming of the Queen)
In India in 1887, John Watson shot and killed a cobra in the bathroom while taking a bath. (PROSE: All-Consuming Fire) St John Philby, the father of Kim Philby, also once shot and killed a cobra in a bath. (PROSE: Endgame)
In 1947, Cameron Campbell encountered a cobra which had been mutated by zytron energy, but drove it off with his catapult. (PROSE: Ghosts of India)
A zoo visited by Fitz Kreiner had a cobra in the reptile house. (PROSE: Trading Futures)
A wooden cobra statuette was one of the psionic focal points Nephthys required to fully restore herself. (PROSE: The Sands of Time)