792 NEW YORK STATE MUSEUM 



1624 Hamilton shales. Livonia salt shaft, 440-452 feet. D. D. 



Luther, collector. 1891. 



1625 Hamilton shales. Livonia salt shaft, 447-463 feet. D. D. 



Luther, collector. 1891. 



1626 Hamilton shales. Livonia salt shaft, 463-473 feet. D. D. 



Luther, collector. 1891. 



1627 Hamilton shales. Livonia salt shaft, 468-473 feet. D. D. 



Luther, collector. 1891. 



1628 Hamilton shales. Livonia salt shaft, 473-488 feet. D. D. 



Luther, collector. 1891. 



1629 Hamilton shales. Livonia salt shaft, 473-505 feet. D. D. 



Luther, collector. 1891. 



1630 Hamilton shales. Livonia salt shaft, 505-515 feet. D. D. 



Luther, collector. 1891. 



1631 Hamilton shales. Livonia salt shaft, 516-530 feet. D. D. 



Luther, collector. 1891. 



1632 Hamilton shales. Livonia salt shaft, 530-543 feet. D. D. 



Luther, collector. 1891. 



1633 Hamilton shales. Livonia salt shaft, 543-550 feet. D. D. 



Luther, collector. 1891. 



1634 Hamilton shales. Livonia salt shaft, 550-556 feet. D. D. 



Luther, collector. 1891. 



1635 Hamilton shales. Livonia salt shaft, 556-565 feet. D. D. 



Luther, collector. 1891. 



1636 Hamilton shales. Livonia salt shaft, 565-566 feet. D. D. 



Luther, collector. 1891. 



1637 Hamilton shales. Livonia salt shaft, 567-608 feet. D. D. 



Luther, collector. 1891. 



1638 Hamilton (or Marcellus) shales. Livonia salt shaft, 608-655 



feet. D. D. Luther, collector. 1891. 



1639 Hamilton (or Marcellus) shales. Livonia salt shaft, 655-750 



feet. D. D. Luther, collector. 1891. 



1640 Hamilton (or Marcellus) shales. Livonia salt shaft, 750-794 



feet. D. D. Luther, collector. 1891. 



1641 Marcellus shales. Livonia salt shaft, 795-811 feet. D. D. 



Luther, collector. 1891. 



