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Rh well as one of much more elongated form, with, a semicircular notch at the base, from Glenluce, Wigtownshire. A broader arrow-head of the same type was found by the Rev. James M. Joass at Golspie, Sutherland, and is now in the Dunrobin Museum. An example was also found by Canon Greenwell in the material of a barrow at Childrey, Berks. Prof. Flinders Petrie has found the type in Egypt.

A beautiful specimen of another double-barbed triangular form is shown in Fig. 329. It was found at Langdale End, on the Moors of the North Riding of Yorkshire, and is in the Greenwell Collection. It has been surface-chipped over part of one face, but on the other it still shows the central ridge of the flake from which it was made. The sides are neatly serrated.

Fig. 330 represents a broader and less distinctly barbed form. The original was found at Amotherby, near Malton, and is chipped over both faces. I have another longer specimen from Sherburn, the base of which is less indented. Allied to this longer form, but having the sides more curved, is that shown in Fig. 331. The original was found by Canon Greenwell in one of the barrows examined by him at Weaverthorpe, Yorkshire. Varieties of this form, with the sides more or less straight, are of not unfrequent occurrence in Yorkshire. The same type has been found near Mantua.

The more perfectly triangular form shown in Fig. 332 is of rather rare occurrence. This arrow-head was found near Lakenheath, Suffolk, and is now in the Greenwell Collection. It is neatly chipped over both faces, which are equally convex. I possess other specimens from Suffolk. Some arrow-heads of the same shape from Gelderland are in the Christy Collection.

In many instances rude triangular arrow-heads have been formed from flakes and splinters of flint, which were evidently selected as being nearly of the desired form, and were brought into shape by the least possible amount of subsequent chipping. The secondary working on Fig. 333 nowhere extends back so much as an eighth of an inch from the edges, and the bulb of percussion of the splinter of flint from which it was made is at the right-hand angle of the base, but not on the face here figured.