EXPLANATION OF PLATE 39. 



Peculiar Forms of Arrowpoints, Spearheads, or Knives. 

 Class E. 



FifJ. 1. FiXK-GUAINEI) TUFA. 



{Cat. Xo. !)S478, U.S.N.M. Chiri(|ui, Pauaina, U. S. ColoinUiii. J. A. McNiel.) 



Fig. 2. Kedih.sh .jasper. 



(Cat. No. 98477, r. S.N. M. CliirKiui. J.A. McXiel.) 



Fig. 3. Straw-colored klint. 



(Cat. Xo. .58489, U.S.N.M. Denmark; Royal Museum Co])enhagen ) 

 Fig. 4. Uark-brown .jasper. 



(Cat. Xo. 98476, U.S. X'.M. Cliiriqui J. A. McNiel ) 



Class F. 

 Fig. 5. Light-gray flint. 



(Cat. No. 58490, U S.N.M. Denmark; Royal Museum, Co])euhageu ) 



Fig. 6. Pale-yellow flint. 



(Cat. No. 149579, U.S.N.M. Loir et-Clier, France Thoma.-i Wilson.) 



Fig. 7. Light-gray, traxslucent flint. 



(Cat. No. 149.579a, U.S.N.M. Loir et Cher, France. Thomas Wilson. ) 



Fig. ht. LiGHT-ORAY FLINT. 



(Cat. Xo. 58491, U.S.N.M. Denmark; Royal Museum, CopenhageD.) 



Class (i. 

 Fig. 9. Gray-banded slate, oval, without ridges. 



(Cat. X'o. 6.548, U.S.N.M. St. Croix River, Maine. (}. A. Roardraan.) 



Fig. 10. Dark-ciray slate, oval, with ridges. 



(Cat. No. G2097, U.S.N.M. Alaska. C.L.McKay.) 



Fig. 11. Dark-gray slate, oval, with slight ridges. 



(Cat. No. 30758, U.S.N.M. Seiiecta River, X'ew York. W. M. Beauchamp. ) 

 Fig. 12. Light-(;ray slaie, with ridges, diamond in section. 



(Cat. No. 140904, U.S.N. .M. Korea. P. L.Jouy.) 



Fig. 13. Gary flint, with ridges, diamond in section. 



(Cat. No. 140904a, U.S.N.M. Korea. P. L. Jouy.) 



Class H. 

 Fig. 14. Brown .jasper. 



(Cat. No. 36767, U.S.N.M. Halderaans Island, Susquehanna River, Pennsylvania. 

 F. G. Galbraith.) 



Fig. 1.5. Black flint. 



(Cat. No. 6694, U.S.X'^.M. Berks County, Pennsylvania. G. M. Keim.) 



Figs. 16, 17. Light-(;ray flint, with straw-colored patine. 



(Cat. Ncs. 171459, 171459a, U.S.N.M. Waynesboro, Burke County, Georgia. Dr. Roland 

 Steiner.) 



Fig. 18. Flint (solutreen point). 



(Original in Museum of St. Germain. De Mortillet, Mus^e Prebistorique, fig. 108, ])1. 

 xviii. Grotte de rfiglise (Dordogne), France.! 



Class I. 



Fig. 19. Blue-gray flint. 



(Cat. No. 99224, U.S.N.M. San Saba County, Texas. A. R. Koessler.) 



