284 



NEW YORK STATE MUSEUM 



Tellina virginica, 247 s . 

 Temiscaming, lake, Niagara beds, 

 36\ 



Terrapin rocks, II 3 , 12'"'. 



Three Sister islands, n 7 ; illus. facing 



p. 80. 

 Thysanocrinus, i55 4 -56 5 . 



liliiformis, 155 , 156". 

 Tilting of the land, 65'". 

 Tonawanda creek, 29°. 

 Tonawanda valley, 53 7 -54 9 . 

 Trematopora, i66"-6/ 5 . 



granulifera, i64 s -65 1 . 



ostiolata, 164 1 . 



sparsa, 162". 



spinulosa, 166 3 . 



(?) striata, 167 2 . 



tuberculosa, i66 s -6f". 

 Trematospira, 201 1 . 



camura, 20X". 

 Trent river, 62'. 

 Trilobita, ioi c , 220 7 -26 7 . 

 Trochoceras, 2i7'-i8". 



gebhardi, 2vf-i&. 

 Tyndall, John, cited, 260 s ; quoted, 

 8 8 , 13 1 . 



Unconformity of relation between 



newer and older strata, 3i 9 -32 1 . 

 Unio, 251 2 . 



calceolus. 250 2 . 



coccineus, 252 s . 



ellipsiformis, 249 s . 



gibbosus, 251 3 . 



nasuta, 251 3 . 



recta, 248 G ~49 2 . 



solidus, 25i' J -52 2 . 



spathulatus. 249 3 . 

 Unionidae, 68 3 . 

 Upham, Warren, cited, 2co 8 -6i 6 , 46 1 , 



49 7 , 64 1 , 83 s ; mentioned, 6 7 , 18 s . 

 Utica shales, 33 1 . 



Valvata, 242°-43 5 . 



sincera, 243 s . 



tricarinata, 243 1 . 

 Views, from New York side, 9°-i2 7 ; 

 from Canadian side, I2 7 -I3". 



Waggoner's hotel, 15 9 . 



Walker, A. E., cited, 261°. 



Walker, Bryant, acknowledgments 



to, 238 s . 

 Warren, lake, glacial, 58 3 . 

 Water, a geologic agent, 37*. 

 Waterlime, 29 s , 3^, 115 , Ii5 7 -i6 6 , 128 5 . 

 Webb, Capt, fatal swim, 14 5 . 

 Weller, Stuart, cited, 261 6 , 127 3 . 

 Westgate, L. G., cited, 261 7 , 46 s , 49 s . 

 Whirlpool, 14°, 76 4 -8o 3 ; illus. facing 



p. 76; shell-bearing gravels, 238 s . 

 Whirlpool rapids, 14 4 , 16 3 , 85 1 ; illus. 



facing p. 78. 

 Whitfieldella, 97 s ; 20i 3 -4 T . 



cylindrica, 203 7 -4 2 . 



intermedia, 97 s , ioo', 203 4 . 



laevis, 204°. 



nitida, ioo 2 , ioo 3 , 202 2 . 



oblata, ioo 4 , 103 4 , 202°. 



oblata, ioo 2 , 203 1 . 



rotundata, 204*. 



sulcata, 204 2 . 

 Wilson, A. W. G., cited, 36 s . 

 Winchell, A. N., cited, 261 s . 

 Wintergreen flat, 71 s , 73'; illus. fac- 

 ing p. 72. 

 Woodward, R. S„ cited, 261 8 . 

 Worthen, A. H., cited, 261 9 . 

 Wright, G. F., cited, 262 1 , 84"; men- 

 tioned, 18 s . 



Zaphrentis, i37 5 -38 3 . 



turbinata, 137 7 . 

 Zoognosia, 143 4 . 





7 5 1 



