484 



NEW YORK STATE MUSEUM 



tures of region, 431*; exposures, 

 450», 470^ 475«. 

 Hudson river shales, 428*-30'; thick- 

 ness, 429'. 



Ingham Mills section, 469»-70'. 

 Kayadarosseras creek, 476'. 

 Lower Silurian system of eastern 



Montgomery county by E. R. 



Cumings, 419-68. 



Maps and sections, discussion, 467'- 

 68«. 



Mariaville pond, 431'. 



Mather, W. W., on Black river lime- 

 stone, 423^; on Trenton limestone, 

 425"; on Utica shale, 426^ on Hud- 

 son river slate group, 428'. 



Minaville section, 463'-64*. 



Mohawk river, stratigraphy of north 

 side, 432'-49'; stratigraphy of 

 south side, 457^-6(?. 



Mohawk valley, notes on stratig- 

 raphy, 469-76. 



Montgomery county. Lower Silurian 

 system, 419-68; topography, 430"- 

 32*; stratigraphy, 432*-64*. 



Moore quarry, 474'. 



Normankill, 431". 



North Chuctanunda creek, 430', 434'. 



Pattersonville section, 453'-56», 474*- 

 75*. 



Plotterkill, 450*. 



Potsdam sandstone, exposures, 477'- 

 78». 



Prosser, C. S., on thickness of Utica 

 shale, 427"; Notes on stratigraphy 

 of the Mohawk valley and Sara- 

 toga county, 469-82. 



Pruyn quarry, 480*. 



Pulaski shales, term, 428'. 



Rock City falls section, 476'-77'. 

 Rockton quarries, 438»-41'. 

 Rotterdam section, 45r-53'. 



Salmon river sandstones, term, 428*. 

 Sandseakill, 450'. 



Sandseakill valley, 432\ 



Saratoga county, notes on the 



stratigraphy, 476-82. 

 Saratoga Springs section, 477'-80». 

 Schoharie creek section, 470'-71*. 

 Smock, J. C, report on quarries, 



438', 453'. 

 South Chuctanunda creek, 431', 463*. 

 Stanton quarries, 462'. 

 Swartstown creek section, 472'-73'. 



Trenton limestone, 424^-26*; thick- 

 ness, 425', 466*; exposures, 432', 

 433*, 436', 436', 437*, 440', 441', 

 443^ 444», 447«, 448', 454', 455', 

 457', 459", 462', 463*, 469^-70*. 

 473*, 473», 474*, 474', 475^ 476*. 

 480'-82*; quarries, 435', 438', 446', 

 453', 456', 459»-60\ 462", 477', 480*; 

 conclusions regarding, 466^; chart 

 Illustrating distribution of species, 

 466'. 



Utica shales and slates, 426*-28*; 

 thickness, 427*, 456^ 466', 476'; 

 contact with Hudson river forma- 

 tion, 428'-29', 463»-64', 470', 474'; 

 topographic features of region, 

 43r; exposures, 445', 454', 456*, 

 457', 463*, 470', 471^ 473*, 475\ 



Vanuxem, Lardner, on Birdseyo 

 limestone, 422'; on Black river 

 limestone, 423*; on Calciferous 

 sandrock, 420'; on Frankfort slate, 

 428'; on Hudson river shale, 428'; 

 on Stanton quarries, 462^; on 

 Trenton limestone, 425'; on dis- 

 tinction between Utica and Hud- 

 son river shales, 428'; on Utica 

 shale, 426', 426^-27'. 



Walcott, C. D., on thickness of 

 Utica formation, 427^; on Utica 

 formation, 429*; on Hudson river 

 group, 429'-30'; on formations near 

 Saratoga Springs, 477»-78'. 



Weatherwax quarries, 448'. 



Wing quarry, 477'. 



(Fages 48S'-^ were bulletin cover pages) 



