More on Neptune's Horse from Infoplease:

• Neptune's Horse - Neptune's Horse Hippocampos; it had but two legs, the hinder part of the body being that of a ...
• Dictionary of Phrase and Fable: N - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "N"
• Horse - Horse The public-house sign. The White Horse. The standard of the Saxons, and therefore impressed ...