Annual report of the Bureau of ethnology to the secretary of the Smithsonian Institution .. . being so much as two inches in length, and varying from that size tonot more than half an inch. Nearly allare very thin, though some of the nar-rower ones may have a diamond or thicklenticular section. Some are very slender,so much so that they are usually classedas perforators; others are the base and edges may be straight,convex, or concave. A few have a shallownotch in each edge just above the corner;nearly all, however, have both base andaint, edge continuous. Fmnt,9tei^gS
Annual report of the Bureau of ethnology to the secretary of the Smithsonian Institution .. . being so much as two inches in length, and varying from that size tonot more than half an inch. Nearly allare very thin, though some of the nar-rower ones may have a diamond or thicklenticular section. Some are very slender,so much so that they are usually classedas perforators; others are the base and edges may be straight,convex, or concave. A few have a shallownotch in each edge just above the corner;nearly all, however, have both base andaint, edge continuous. Fmnt,9tei^gS The groups and subdivisions which have been recognized among thesmaller chipped flint objects in the Bureau collection may be enumeratedas follows: A. Concave base. The concavity may vary from almost a straightline to one-third the length of the flint. Usually symmetric, as infigures 190 and 191, though sometimes one tang or barb, if it may becalled such, is longer than the other, as in figure 192. A very fewhave beveled or serrated edges. 1. Convex edges. The type, shownin figure 190, i
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashi, bookyear1896
