

[LLU8TRATION8 



PUATK I. The Calaveras (California) skull as it was in 1902 



II. Skulls from Illinois 30 



III. Skull from Kurlington county, New Jersey 37 



IV. Skull from Uiverview cemetery, Trenton, New Jersey 37 



V. The Ionising (Kansas) skull 49 



V I . Skulls f rom Florida 57 



VII. The North Osprey ( Florida) femur and til.ia 59 



VIII. The South Osprey (Florida) skeleton 59 



IX. Osseous remains in prix-ess of siliciiication, found at South Osprey, 



Florida 4 



X. Skulls from < iilder mound HO 



XI. Skulls from < iilder mound HO 



XII. Skulls with low foreheads ( Davenport Academy of Sciences) 95 



XIII. Mound-builder skulls ( Davenjtort Academy of Sciences) 95 



XIV. Skull from mound in North Dakota (I'. S. National Museum no. 



228H7H) 99 



XV. Skull of Piegan from Montana (T. S. National Museum no. 243B73)- 99 

 XVI. Skull from mound near Browning, Schtiyler county, Illinois (I*. S. 



National Museum no. 1M778) 99 



XVII. Skulls with low fort-heads, from Illinois ami Nevada 96 



XVIII. Skulls with low foreheads, from California 99 



XIX. Skull from Santa Cruz island, California (I". S. National Museum 



no. 241927) 99 



XX. Skulls with low foreheads, from California and Wisconsin 99 



XXI. Skull from mound in Orange county, Indiana (I*. S. National Mu- 

 seum no. 243855) 99 



FIG. 1. Geological formations concerned in human history 



2. The Natchez j>elvic l>one (after Ix-idy) IS 



'3. Cave skull, Calaveras county, California; side view '-*> 



4. Remnant of the skull of the "Hoinhre del I'efion" (after Barcena. in 



La Xnturalezu, vn, no. 16) " -M 



6. Front view of two of the Bremen chanuctvphals 44 



6. Side and top views of one of the Bremen chamiccephals. 4"> 



7. Comparison of the naatan-opisthion an-s, geometrically constructed, 



of the I^ansing skull and three modern Indian crania... 



8. Sketch map of Osprey and vicinity 



9. Section of debits showing jwwition of the Osprey skull ; . HI 



10. Shore line at Sout h Osprey 



11. Section of the layers at the locality of the South Osprey find 63 



TJ. Antero-poHterior arcs of skulls no. H and no. 6 



13. Antero-poHterior arcs of skulls no. 4402, Davenjx.rt Academy of 



Sciences, and no. 6, Gilder mound 



14. A ntcro- |H interior arcs of skulls no. 4402, Davenport Academy of 



Sciences, iiii-l no. 8, Gilder mound 



15. Antero-jMisterior arcs of skulls no. 242982, I". S. National Museum. 



and no. >, < iilder mound 



lii. Antero-|M,..t,.rior arcs of skulls no. 2429H2, V. S. National Museum, 



and no. S. (iil.ler mound 



7 



