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
Lion (heraldry) to Heraldry" (1829): English heraldist Charles Boutell wrote in 1890 that the lions of England were generally termed "leopards" until the end of the 14th century, including in the roll of arms of Henry III of England, and in a statute of Edward I of England, dating to 1300, which made reference to ""signée de une teste de leopart"—marked with the King's lion." In "English Heraldry" (1867), Boutell explained: In "Heraldry: Sources, Symbols and Meaning" (1976), German heraldist Ottfried Neubecker explained: According to Neubecker, what in Old French is termed a "léopard" is always "guardant" (head turned toward the observer),