EXPLANATION OF PLATE 37, 



Peculiar Forms of Arrowpoints, Spearheads, or Knives. 



('loss A. 

 Fiy. 1. LiGiiT-BROWX Flint. 



(Cat. Xo. 18800, U.S.N.M. ElUtoii. (iiles ( 'ounty, Teiiiifssee. J. R. Irby.) 



Fig. 2. Blue-gray Flint. 



(Cat.No. 13708, U.S.N.M. Pi-riy County, Oliici. W. AiidersDii.i 



Fig. 3. Dakk Slate-coloked Flint. 



(Cat. No. 113684, U.S.N.M. Flint Ridge, Licking Oninty, t)liio. (ieranl FowVcc.) 



Fig. 4. LiGHT-GUAY Flint. 



(Cat. No. 30175, U.S.N.M. MdKenzie, Carroll County, Tennessee. E. II. Uamlall.) 



Fig. 5. Light-gray Flint. 



(Cat. No. 58134, U.S.N.M. Fayetteville, Lincoln County, Tennessee. C. S. Grigsby.) 



Fig. (i Fawn-coloreu P^lint. 



(Cat. Xo. 8239. U.S.N.M. Tennes.see. J. H. Devereux.) 



Fig. 7. Straw-colored Flint. 



(Cat. Xo. 99307, U.S.N.M. Boone ( 'ounty, Missouri, (i. W. Clemens.) 



Fig. 8. Pale-yellow Flint. 



(Cat. No. 19965, U.S.N.M. Franklin, Williamson County, Tennes.see. W. M. Clarke.) 



Fig. 9. Fawn-colored Flint. 



(Cat. No. 98375, U.S.N.M. Lauderdale County, Alabama. Frank Hums.) 



Fig. 10. Light Silver-gray Flint. 



(Cat. Xo. 97641, U.S.X.^L Monteur's Point, near Vincennes, Indiana. Robert Ridgway.) 



Fig. 11. Lead-colored Flint. 



(Cat. Xo. 32645, U.S. X.M. Muri)hysborougli, Jackson County, Illinois. W.Anderson.) 



Fig. 12. Yellow Flint. 



(Cat. Xo. 171450, U.S.N.M. Waynesboro, Georgia. Dr. Roland Steiner.) 



Fig. 13. Reddish-brown Flint. 



(Cat. No. 171450a, U.S.N.M. Waynesboro, Georgia. Dr. Roland Sleiner.) 



Fig. 14. Brown Jaspery Flint. 



(Cat. No. 1714506, U.S.X^.M. Waynesboro, (Jeorgia. Dr. Roland Steiner.) 



Fig. l.">. Dark Slate-colored Flint. 



(Cat. X'^o. 171450c, U.S.N.M. Waynesboro, Georgia. Dr. Roland Steiner.) 



