Charge (heraldry) others, but the most frequently occurring of these are various forms of dragons. The "dragon", thus termed, is a large monstrous reptile with, often, a forked or barbed tongue, membraned wings like a bat's, and four legs. The "wyvern" and "lindworm" are dragons with only two legs. The salamander is typically shown as a simple lizard surrounded by flames. Also notably occurring (undoubtedly owing much of its fame to Napoleon, though it also appears in much earlier heraldry) is the bee. Animals' heads are also very frequent charges, as are the paw or leg ("gamb") of the lion, the wing
Women in heraldry systems of heraldry these differences remain active. Heraldry has its origins from associations with warfare and the age of chivalry. The traditional shield was also associated with war and so women did not usually display familial arms on escutcheons. Rather, they could display these on various other shapes: more commonly the lozenge, an oval, or a cartouche. The crest–a device that sits atop the shield on an armorial achievement–likewise was not accorded to heraldic devices of women as these had associations with warfare. In many heraldic traditions, arms generally are passed patrilineally. In other nations, in Canadian heraldry for example,