I am inclined to believe the symbol in this instance is a mere pictograph intended to represent the tip of some lanceolate leaf, the dots denoting the hairs along the edge. The tips of the "reed grass," as shown in the symbolic representation of _Zacatla_ ("Nombres Geográficos" by Peñafiel; plate LXVI, 13), would give precisely the dot-bordered tooth in the symbol. It is to be observed, however, that the Mexican symbol for this day, the usual form of which is shown in LXVI, 14, is essentially different and has joined with the green blades the skeleton underjaw. In some instances, as at _Malinaltepec_ ("Nombres Geográficos"), the entire skull is added. A more elaborate form of the symbol, from the Borgian Codex plate 26, is given in LXVI, 15. Here the skeleton jaw is replaced by the roots of the plant; observe, however, the brush-like projections above. Are we to see in this associated death's-head a reference to death, or rather to the earth, a symbolism undoubtedly found in the Tro. Codex? Or must we suppose that behind the name is to be found the signification of the Meztitlan name _itlan_, from _tlantli_, "tooth?" Dr Seler remarks that "it seems to me quite possible that the point surrounded by dots in the character _eb_ is an abbreviation of figure 326" (the prefix to our plate LXIV, 48).[245-1] THE THIRTEENTH DAY Maya, _ben_ or _been_; Tzental, _ben_; Quiche-Cakchiquel, _ah_; Zapotec, _quii_, _ii_, or _laa_; Nahuatl, _acatl_. The symbol of this day is subject to but few and, with one or two exceptions, but slight variations. Landa's figure is represented at LXVI, 16, those usual in the codices in LXVI, 17, 18, 19, and an irregular form found in Dres. 10c in symbol 20 of the same plate. When used in combination with other glyphs and otherwise than as a day symbol, the form, though usually typical, is subject occasionally to wide variations, though there is considerable doubt whether the latter are to be considered _ben_ symbols. Dr Seler contends that the figure originated from the plaited reed or mat, which, if correct, enables us to trace it by gradations to a wholly different figure. But before referring further to these, it is best that the signification of the names should be given, as determined by linguistic evidence.