Index 435 



Syenite, 70, 209 



Symmetrical anticline, 52 

 Synclines. 51, 53 

 Synclinorium, 53 



Taconian series, 222 



Taconic controversy, 267 



Taconic emergence, 255 



Tangle. 90 



Tarr, R. S.. cited. 418. 456 



Taylor. F. B., cited, 353, 449 



Tellens, 103 



Tellinas. 103 



Temperature, effects of varying, 99 



factor in determining distribution of marine life, 86 



in relation to life in shallower waters, 88 

 Tentaculite limestone, 345 

 Terrestrial deposits, 24 

 Tertiary time, 437 

 Theresa formation, 239 

 Thimble jelly, 145 

 Thorold sandstone, 323 

 Throw, 54 

 Thrust plane, 56 

 Tichenor limestone, 21, 393 

 Tide pools, 123 

 Tides, effects of, 90 

 Till, 28 

 Tillite, 33 



Timber, floating, 172 

 Time scale, 60, 61 



for Xew York State, 190 

 Topsets, 44 



Towler, E. D., cited, 182, 454 

 Trap, 71 

 Trend, 54 



Trenton limestone, 283 

 Triassic period, 430 

 Tribes Hill limestone, 263, 270 



Trilobites, 228, 231, 232, 257, 261, 374, 379, 382, 384, 391, 395, 406. 

 423 



