ILLUSTRATIONS 



Page 



Plate 1. Map of central eastern Argentina 16 



2. Barrancas del Norte, Mar del Plata 27 



3. Barrancas del Norte, Mar del Plata 27 



4. Arroyo de Ramallo 30 



5. Banks of the Parana at San Lorenzo 30 



6. Barrancas de los Lobos 33 



7. Scoriae from the Argentine coast 71 



8. Scoriae from the Argentine coast 80 



9. Campo Peralta, near Mar del Plata 114 



10. Anvil-stones 117 



11. Campo Peralta, near Mar del Plata 118 



12. Pebble nuclei 137 



13. Arrowheads of jasper and agate 144 



14. Plano-convex knife blades 147 



15. Pottery fragments from vicinity of Puerto San Bias 151 



16. A Lagoa Santa skull. (After Soren Hansen) 183 



17. A Lagoa Santa skull. (After Soren Hansen) 183 



18. Skull of Fontezuelas. (After Soren Hansen) 216 



19. Left femur of Fontezuelas skeleton. (After Lehmann-Nitsche) 221 



20. Tibiae of Fontezuelas skeleton. (After Lehmann-Nitsche) 221 



21. Map of the littoral of Mar del Plata and Chapalmalan. (After 



Ameghino) 237 



22. Human skeleton in situ, near Sotelo 246 



23. Barrancas at Sotelo . . . ■. 257 



24. Arroyo Siasgo skull 266 



25. Rio Salado 270 



26. Arroyo Siasgo 270 



27. Arroyo Siasgo 271 



28. Arroyo Siasgo 271 



29. Excavation near Laguna Malacara 277 



30. Malacara (or Moro) skull No. 1 280 



31. Malacara (or Moro) skull No. 1 280 



32. Malacara (or Moro) skull No. 1 280 



33. Malacara (or Moro) skull No. 2 284 



34. Malacara (or Moro) skull No. 2 284 



35. Miramar (La Tigra) skull. (After Lehmann-Nitsche) 290 



36. Miramar (La Tigra) skull. (After Lehmann-Nitsche) 290 



37. Fossilized Patagonian skull from vicinity of Viedma, on Rio Negro. . 301 



38. Skull of Homo pampseus and Patagonian skull .T. 301 



39. Two Patagonian skulls 301 



40. Peruvian and Patagonian skulls 301 



41. Patagonian and Aymara skulls 301 



42. Fragment of skull from vicinity of Necochea 312 



43. Necochea skull No. 5008 312 



XIII 



