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70 <br />• recovered, 10 complete and 15 fragments. There are also four biface <br />bases discussed earlier which could be included here. The only basal <br />fragments that have been put in this catagory, however, are those which <br />are yet even more likely to be fragments of projectiles rather than of <br />other tools. The collection contains a wide variety of projectile point <br />types, ranging from unstemmed points with basal concavity to small, side <br />notched, flat based points. Weights for complete specimens range from <br />0.85-10.0 gm., while lengths vary from 28-50 mm. for complete specimens. <br />These are fragments of projectiles which, if complete, would most likely <br />extend this range downwards to roughly 20 mm. <br />The criteria for sorting are based mainly on the shape of different <br />portions of the projectile (Fig. 8). The most important aspects dif- <br />ferentiating between types center on base-stem-tang configurati-On, with <br />less emphasis on blade shape. The format follows that used by Haury <br />(1950) in analysing the materials from Ventana Cave, with modifications <br />to suit the collection at hand. <br />7• <br />~. <br />