120 FIELD MUSEUM OF NATURAL HISTORY 
Case 6. — Manufacture of stone implements from eastern 
Wyoming. 
Case 7. — Manufacture of stone implements from District 
of Columbia and Arkansas. 
Case 8. — Aboriginal copper mining implements from Michi- 
gan. Manufacture of soapstone vessels from the District of 
Columbia. Manufacture of stone implements from Minnesota, 
Wyoming, Virginia, Pennsylvania, Ohio, and California. 
Case 9. — Manufacture of stone implements from Flint 
Ridge, Ohio, and cave finds from Missouri. 
Case 10. — Archaeology of Delaware Valley. 
Case ii. — Archaeology of Delaware Valley. 
Case 12. — Archaeology of Delaware Valley. 
Case 13. — Archaeology of Delaware Valley. 
Case 14. — Shell heaps of Maine. 
Case 15. — Archaeology of Chalcaqui, Argentine Republic. 
Case 16. — Archaeology of Chalcaqui, Argentine Republic. 
Case 17. — Archaeology of Chalcaqui, Argentine Republic. 
Case 18. — Archaeology of Chalcaqui, Argentine Republic. 
Case 19. — Cliff dweller remains from New Mexico. 
Case 20. — Archaeology of Georgia. 
Case 21. — Archaeology of Ohio. 
Case 22. — Archaeology of Canada, Kentucky, and Indiana. 
Case 23. — Archaeology of Indiana. 
Case 24. — Stone implements of Wisconsin. 
Case 25. — Copper implements from Wisconsin. 
Case 26. — Archaeology of Hopewell group of mounds, Ohio. 
Case 27. — Archaeology of Mexico. 
Case 28. — Archaeology of Valley of Mexico. 
Case 29. — Archaeology of Valley of Mexico. 
Case 30. — Archaeology of Valley of Mexico. 
Case 31. — Ruins of Xkichmook, Yucatan. 
Case 32. — Ruins of Chichen Itza, Yucatan. 
Alcoves of the East Court. 
Alcove 81. — Reproductions of Central American antiqui- 
ties. 
Alcove 82, Case i. — Prehistoric pottery of Mexico. 
Case 2. — Stone carvings from Valley of Mexico. 
Case 3. — Carved stone figures. Mexico and Central 
America. 
