XIV ILLUSTEATIONS 



Plate 44. Necochea skull No. 5008 312 



45. Necochea skull No. 5008. (After Mochi) 312 



46. Grave of "fossil " skeleton near the sea at Necochea 317 



47. Excavation for dry dock 321 



48. Finished dry dock 321 



49. The original of the Diprothomo skull 326 



50. The original of the Diprothomo skull 326 



51. Sagittal curve of Diprothomo and of male Piegan skull 328 



52. Modern Indian skulls — glabellar region 328 



53. Modern masculine Patagonian skull 328 



54. Skull of Diprothomo—prome 339 



55. Calotte of Diprothomo 342 



56. "Middle Pampean " formation. (According to Roth) 345 



57. Monte Hermoso 362 



58. Monte Hermoso 302 



59. Atlases of Tetraprothomo and adult Indians 364 



60. Atlases of Tetraprothomo, Indians, and apes 365 



61. Atlases of Tetraprothomo, Indians, and apes 366 



62. Atlases of Tetraprothomo and Indians 368 



63. Atlases of Tetraprothomo, Indians, and apes 368 



64. Monte Hermoso femur 369 



65. Femora of Tetraprothomo and lower animals 374 



66. Femora of Tetraprothomo, apes, and man 374 



67. Femora of Tetraprothomo, apes, and man 374 



68. Femora of Tetraprothomo, apes, and man 374 



Figure 1 . Map of the Province of Buenos Aii-es 17 



2. Map of the Argentine coast from Mar del Plata to the Barrancas de 



los Lobos 116 



3. Anvil of limestone (Mar del Plata) 127 



4. Anvil-stone of quartzite (Punta Mogote) 127 



5. Bowlder hammer of felsite, with battered ends (Miramar) 128 



6. Hammer of felsite, with battered ends and pitted sides (Necochea). . 128 



7. Hammer of quartzite, with pitted faces and battered end and sides 



(Campo Peralta) 128 



8. Hammer of quartzite, with deeply scarred and pitted faces (Mar del 



Plata) 128 



9. Discoidal pitted hammer of quartzite, with beveled periphery 129 



10. Hammer made of a felsite bowlder, with pitted sides (Necochea). . 129 



11. Chipped quartzite hammer, with battered periphery (Mar del Plata),. 129 



12. Small hammer of greenish felsite (Necochea) 129 



13. Roughly grooved hammer of quartzite (Campo Peralta) 129 



14. Neatly shaped grooved hammer of sandstone (Punta Mogote) 130 



15. Quartzite pebbles chipped at both ends, having a shuttle-like out- 



line (Campo Peralta) 130 



16. Small jasper pebbles, one chipped at both ends and the other at 



one end only (Campo Peralta) 130 



17. Pebbles chipped into subrectangular forms: Jasper (Campo Peralta); 



felsite (Mii-amar) 130 



18. Jasper pebbles chipped irregularly from the side (Campo Peralta 



and Necochea) 131 



19. Flakes from black jasper pebbles specialized for use as knives or 



scrapers (Necochea) 131 



20. The several forms of flakes 132 



