_The Wyvern._--There is no difference whatever between a wyvern's head and a dragon's, but there is considerable difference between a wyvern and a dragon, at any rate in English heraldry, though the wyvern appears to be the form more frequently met with under the name of a dragon in other countries. The wyvern has only two legs, the body curling away into the tail, and it is usually represented as resting upon its legs and tail (Figs. 428 and 429). On the other hand, it will occasionally be found sitting erect upon its tail with its claws in the air (Fig. 430), and the supporters of the Duke of Marlborough are generally so represented. As a charge or crest, however, probably the only instance of a wyvern sejant erect is the crest of Mansergh. A curious crest also is that of Langton, namely: "On a wreath of the colours, an eagle or and a wyvern vert, interwoven and erect on their tails," and an equally curious one is the crest of Maule, _i.e._ "A wyvern vert, with two heads vomiting fire at both ends proper, charged with a crescent argent." Occasionally the wyvern is represented without wings and with the {227} tail nowed. Both these peculiarities occur in the case of the crest of a Lancashire family named Ffarington. _The Cockatrice._--The next variety is the cockatrice (Fig. 431), which is, however, comparatively rare. Two cockatrices are the supporters to the arms of the Earl of Westmeath, and also to the arms of Sir Edmund Charles Nugent, Bart. But the animal is not common as a charge. The difference between a wyvern and a cockatrice is that the latter has the head of a cock substituted for the dragon's head with which the wyvern is decorated. Like the cock, the beak, comb, and wattles are often of another tincture, and the animal is then termed armed, combed, and wattled. [Illustration: FIG. 431.--Cockatrice.] The cockatrice is sometimes termed a _basilisk_, and according to ancient writers the basilisk is produced from an egg laid by a nine-year-old cock and hatched by a toad on a dunghill. Probably this is merely the expression of the intensified loathing which it was desired to typify. But the heraldic basilisk is stated to have its tail terminating in a dragon's head. In English heraldry, at any rate, I know of no such example. _The Hydra_, or _Seven-headed Dragon_, as the crest, is ascribed to the families of Barret, Crespine, and Lownes. [Illustration: FIG. 432.--Camelopard.] _The Camelopard_ (Fig. 432), which is nothing more or less than an ordinary giraffe, must be properly included amongst mythical animals, because the form and semblance of the giraffe was used to represent a mythical hybrid creation which the ancients believed to be begotten between a leopard and a camel. Possibly they represented the real giraffe (which they may have known), taking that to be a hybrid between the two animals stated. It occurs as the crest of several coats of arms for the name of Crisp.